Last updated: July 26, 2026

On this page: 5th Class Change · Extra Damage · Giant Mount · 5th Wings · Wing Cores · Ability Enhancement · Tormenta Island · Twisted Kalutan · Grow Lancer Renewal · Dark Lord Renewal · Verdant Earring · 6th Guardian · Apocalypse & Lightning · Artifact Grades · Event & Boss UI · FAQ

MU Online Season 19 – 5th Class Change, 5th Wings & Ability Cards

Season 19 (2023–24) is the biggest progression jump in years. It added the 5th class change with the new Extra Damage system and the Giant mount, the 5th wings and their Wing Cores, the Ability Enhancement card system, two maps (Tormenta Island, Twisted Kalutan), Grow Lancer and Dark Lord renewals, the Verdant Earring, the 6th Guardian Leviathan, Apocalypse weapons, Ancient Lightning armor and artifact grade upgrades. Rebuilt page-by-page from the original patch notes.

The 5th Class Change

Unis NPC Devias MU Online
Unis — Devias 1 (193, 12)
Unlike the 3rd and 4th class changes, the 5th is a single generic progression for every class — there are no new class titles. Instead it unlocks the Extra Damage system, the Ability Enhancement Core, 200 stat points and the Giant mount.

Story: after Kundun's chaos, new monsters appeared with unfamiliar power, and research produced a new force called Extra Damage. Unis — a Guardian Knight of the good god Lugard, elder sister of Sent of the 12 Priests of Light and a master of the great scythe — was sent to teach it, and waits in Devias.
RequirementDetail
Level1,200+
NPCUnis — Devias 1 (193, 12)
Quest areasSpace of Qualification (prepare and party up, entered from Unis in Devias) then the Space of Trial (entered from Unis inside; if you're in a party, one member applying moves everyone in)

The chain is three fights against Unis, each with Burning Kethotum monsters spawning alongside her:

QuestClear conditionReward
1st — NukeTake the Extra Nuke Damage buff and defeat Unis within 1 minuteUnlocks quest 2
2nd — BoltTake the Extra Bolt Damage buff and defeat Unis within 1 minuteUnlocks quest 3
3rd — WideTake the Extra Wide Damage buff and defeat Unis within 1 minute5th class change + 200 stat points + the 5th tree + 3 Extra Ability Cards (Nuke, Bolt, Wide) + the Giant mount quest

Extra Damage

Extra Damage is a new damage type that fires when you use enhanced skills (4th class) and ability skills (5th class). It comes in three kinds, each with its own hit effect and damage-number colours — and you must mount the matching Extra Ability Card in the Ability Enhancement Core to use it:

Extra Nuke damage MU Online
Nuke
Extra Bolt damage MU Online
Bolt
Extra Wide damage MU Online
Wide
TypeTargetsDamage
Nuke1 targetHigh — single-target burst
BoltUp to 2 targetsMedium
WideUp to 10 targetsLow — wide AoE

Extra Damage Defense was added alongside it to reduce incoming Nuke/Bolt/Wide damage. Both values show in the character info window under Effects & Options.

The Giant Mount

Giant mount MU Online Season 19
The three Giant types — you receive one at random

Completing the 5th class change opens the exclusive Giant mount quest (level 1,200+):

StepTask
Mount quest 1Hand 300 Jewels of Creation to Unis
Mount quest 2Defeat Unis while riding a Giant within 1 minute
RewardA Giant mount — 1 random type of 3

Mount and dismount with the on-screen button or Ctrl+X. It grants a movement speed increase and cannot be ridden at the same time as other mounts (Muun, Guardian, Fenrir).

The 5th Wings

Every class received a 5th wing or cape — the strongest in the game, and the first to carry the new Damage Correction option:

ImgWing / CapeClass
Wings of Virtue MU OnlineWings of VirtueDark Wizard
Wings of Destruction MU OnlineWings of DestructionDark Knight
Wings of Illusion MU OnlineWings of IllusionElf
Wings of Punishment MU OnlineWings of PunishmentMagic Gladiator
Cloak of Authority MU OnlineCloak of AuthorityDark Lord
Wings of Barrier MU OnlineWings of BarrierSummoner
Cloak of Oath MU OnlineCloak of OathRage Fighter
Cloak of Training MU OnlineCloak of TrainingGrow Lancer
Wings of Inevitability MU OnlineWings of InevitabilityRune Mage
Wings of Lilac MU OnlineWings of LilacSlayer
Wings of Crimson MU OnlineWings of CrimsonGun Crusher
Cloak of Glory MU OnlineCloak of GloryWhite Wizard
Wings of Eternity MU OnlineWings of EternityMage
Cloak of Perfection MU OnlineCloak of PerfectionIllusion Knight
OptionAt +0At +15
Attack Power3002,051
Defense9002,737
Damage Increase55%70%
Damage Absorb43% (Dark Lord 37%)73% (Dark Lord 67%)
Damage Correction116

Plus 2 random options from: full mana/life recovery chance 7%, reflect attack 7%, ignore defense 7%, excellent damage 7%, double damage 7%, attack speed +12, or +65 to Strength, Stamina, Energy or Agility. 5th wings have no Luck option.

Damage Correction is a new stat calculated against the target's own correction value — it affects both the damage you deal and the damage you take.

How to craft a 5th wing – full guide

Feather of Uriel MU Online
Feather of Uriel
Lv.5 Wings Divine Object MU Online
Lv.5 Wings Divine Object
Ultimate Magic Crystal MU Online
Ultimate Magic Crystal

Crafting a 5th wing is a two-stage combine at the Chaos Goblin. Stage one is guaranteed; stage two is the gamble.

StageMain materialRequired materialsChance
1. Lv.5 Wings Divine ObjectA 4th Wing at +13 or higher with 4+ optionsJewel of Bless ×100 · Jewel of Soul ×100 · Jewel of Creation ×100 · Jewel of Chaos ×100 · Golden Crest ×100 · Feather of Uriel ×100 · 15,000,000 zen100%
2. Lv.5 WingLv.5 Wings Divine Object1 or more Ultimate Magic Crystal · 20,000,000 zen24%
(34% with a Lucky Talisman)

Step by step:

#What to do
1Take a 4th wing or cape and get it to +13 with at least 4 options — both conditions are required, and this wing is consumed.
2Farm 100 Golden Crests and 100 Feathers of Uriel. Both drop at low rates in elite zones — this is the longest part of the process.
3Stock 100 each of Bless, Soul, Creation and Chaos jewels plus 15,000,000 zen.
4Combine at the Chaos Goblin for a guaranteed Lv.5 Wings Divine Object (100%).
5Make Ultimate Magic Crystals: convert a mastery set item at +9 or higher with 16+ options — each one yields a fixed 3 crystals.
6Combine the Divine Object with 1+ Ultimate Magic Crystal and 20,000,000 zen. Adding more crystals and a Lucky Talisman pushes the rate from 24% to 34%.
7On success you get a +0 Lv.5 wing — but the class, options and Jewel of Life option are all random, so you may need several attempts to get your class.

Budget for failure. At 24–34% you should expect to burn roughly three to four Divine Objects per successful wing — and each one costs a +13 4th wing plus 100 Crests and 100 Feathers. Always use a Lucky Talisman, and remember 5th wings never roll a Luck option.

Wing Cores

Lv.5 wing core UI MU Online
Alt + right-click a Lv.5 wing in your inventory
Wing core blueprint MU Online
Wing Core Blueprint
Wing core MU Online
A Pure Wing Core

A Wing Core slots into a Lv.5 wing for a second layer of stats. It has a base option that scales with enhancement, plus 0–2 random options.

Crafting a Wing Core

ResultMain materialRequired materialsChance
Pure Wing Core (Type 1)
(random type and options)
Pure Wing Core (Type 1) Blueprint — Ruud shop, 50,000 RuudBless ×100 · Soul ×100 · Creation ×100 · Chaos ×100 · Feather of Uriel ×50 · 20,000,000 zen70%
Option typeAt +0At +15
BaseWing Attack / Wizardry / Curse +50Wing Attack / Wizardry / Curse +273
Random (0–2)Elemental ATK +170 · Elemental DEF +100 · Elemental ATK/DEF success rate +125 · Elemental ATK (II) +240 · Elemental DEF (II) +210 · Elemental ATK/DEF success rate (II) +200 · Extra Nuke DMG +120 · Extra Bolt DMG +80 · Extra Wide DMG +40 · Extra DMG Reduction +50

Upgrading a Wing Core

Wing Core Upgrade Stone MU Online
Wing Core Upgrade Stone — 1,200 Ruud
Wing Cores upgrade to +15 through Equipment Upgrade Combination at the Chaos Goblin in Noria.

A Wing Core is never destroyed on failure. Failing at +1–+7 drops it one level; failing at +8–+15 resets it to +0.
UpgradeUpgrade StonesZenChance
+0 → +111,000,00090%
+1 → +221,500,00090%
+2 → +322,000,00090%
+3 → +422,500,00090%
+4 → +533,000,00090%
+5 → +633,500,00090%
+6 → +744,000,00090%
+7 → +844,500,00080%
+8 → +945,000,00080%
+9 → +1055,500,00075%
+10 → +1156,000,00075%
+11 → +1256,500,00070%
+12 → +1357,000,00070%
+13 → +1457,500,00065%
+14 → +1558,000,00065%

Fitting a Wing Core

StepHow
Open the UIAlt + right-click a Lv.5 wing in your inventory to open the "Lv.5 Wings (Cape)" screen
EquipDrag and drop the Wing Core from your inventory into the core slot
UnequipRight-click the core in the UI, or drag it back to your inventory
LimitationOnly works on wings in the inventory — you cannot fit or remove a core on an equipped wing

Each core fits a specific group of wings. For example the Pure Wings of Virtue Core fits Wings of Virtue, Cloak of Glory, Wings of Eternity and Cloak of Perfection; the Pure Wings of Crimson Core fits Wings of Destruction, Wings of Punishment, Cloak of Oath and Wings of Crimson.

Ability Enhancement – full guide

Ability Enhancement Core MU Online
The Ability Enhancement Core
Ability card slots by level MU Online
Slots open as you level

After the 5th class change you unlock the Ability Enhancement Core — open it with Ctrl + J, or from the button at the top of the character info window (3rd class opens the Master Skill Tree, 4th the Skill Enhancement Tree, 5th the Ability Enhancement Core).

Step 1 – farm the materials

Ability Crystal MU Online
Ability Crystal
Drops from monsters in Burning Kethotum-grade maps and above — Burning Kethotum, Kanturu Underground, Ignis Volcano, Bloody Tarkan and Tormenta Island.

Daily cap per character: 1 Ability Crystal + 4 bound Ability Crystals. This cap is the real bottleneck of the whole system, so log in daily.
Ability Enhancement Stone MU Online
Ability Enhancement Stone
Crafted from Ability Crystals, or gained by refunding duplicate cards. Required to level cards up.

Step 2 – craft your cards

All cards are crafted at the Chaos Goblin in Noria (180, 103), and every recipe is 100% success — the cost is purely materials:

CardCrystalsJewelsZenWhat you choose
Skill ability card MU Online [Skill] Card5010 Bless100,000,000Result is a skill your class can use
Option ability card MU Online [Option] Card51 Bless10,000,000You pick type 1–5; the colour is random
Elite ability card MU Online [Elite] Card25 (or 5 Enhancement Stones)5 Bless50,000,000You pick the colour

Step 3 – understand the four slot types

SlotWhen it opensRules
Extra ability card MU Online [Extra]On completing the 5th class changeHolds a Nuke, Bolt or Wide card from the class quest. Without one of these equipped, Extra Damage does not fire at all — equip this first.
Skill card MU Online [Skill]Lv 1,200 → 1 slot
Lv 1,300 → 2 slots
Lv 1,400 → 3 slots
You can only mount a card whose skill you have enhanced in the Skill Enhancement Tree. The same card can go in all 3 slots, but duplicates only stack Skill Attack Power — the extra effects and sub-options do not stack.
Option card MU Online [Option]5 slots at 5th class, then +5 every 50 levels
(blue 1200/1250, green 1300/1350, purple 1400/1450)
Cards come in types 1–5 and three colours; each goes into a matching open slot in any order. They boost your stats whether or not you have [Skill] cards mounted.
Elite card MU Online [Elite]Opens once all 5 preceding [Option] slots are filledThe card level you may mount equals the lowest level among those 5 [Option] cards — so level your Option cards evenly.

Step 4 – level up and refund

Ability card level up MU Online
Levelling a card
Ability card refund MU Online
Refunding duplicates
Ability card book MU Online
The Ability Card Book

Open the Ability Card Book and right-click any card you own:

ActionHow it works
Level-upDuplicates raise the card's held count — spend those duplicates plus Ability Enhancement Stones to level it. Max level 5 for every card type.
RefundConvert duplicates into Enhancement Stones: [Skill] = 10 stones, [Elite] = 5, [Option] = 1. The original copy of a card can never be refunded.

Option and Elite card values

TypeWhat it rolls
Type 1Strength, fire elemental attack/defense, elemental attack, critical & double damage, minimum attack/magic/curse, Nuke/Bolt/Wide attack, Extra Defense
Type 2Agility, water elemental attack/defense, elemental attack success rate, attack success rate, 5th wing attack/magic/curse, per-slot skill attack, Nuke/Bolt/Wide critical chance
Type 3Stamina, earth elemental attack/defense, pentagram attack, excellent damage, attack/magic/curse per 20 levels, maximum attack/magic/curse, skill attack, Extra Defense
Type 4Energy, wind elemental attack/defense, elemental defense & success rates, 5th wing defense, pentagram defense, defense, shield defense, Nuke/Bolt/Wide critical chance
Type 5Shock defense rate, dark elemental attack/defense, poison & bleed damage, mastery attack/magic/curse, Nuke/Bolt/Wide attack, Extra Defense
[Elite] BlueFull-life recovery chance, slot-1 skill attack, critical & double damage chance, Extra Defense, Nuke/Bolt/Wide excellent chance
[Elite] GreenAG recovery, slot-2 skill attack, excellent damage chance, ignore enemy defense chance, Extra Defense, Nuke/Bolt/Wide double-damage chance
[Elite] PurpleFull-mana recovery chance, slot-3 skill attack, additional damage chance, triple damage chance, Extra Defense, Nuke/Bolt/Wide triple-damage chance

The [Skill] cards by class

Each class has its own set. The prefix tells you the bonus: Barrage adds range, Gale adds attack speed, Wrath adds splash damage. Every skill card also randomly rolls one sub-option — HP, MP or AG increase.

ClassSkill cardBonus
Dark WizardGale Meteor StormAttack speed
Dark KnightBarrage Sword Blow · Gale Strike of DestructionRange · Attack speed
ElfBarrage Raining Arrow · Gale Holy BoltRange · Attack speed
Magic GladiatorBarrage Chaos Blade · Wrath Havoc SpearRange · Splash
Dark LordBarrage Wind SoulRange
SummonerBarrage Fire Beast · Wrath Death ScytheRange · Splash
Rage FighterBarrage Dark Side · Barrage Spirit HookRange
Grow LancerBarrage Over Sting · Gale Wild BrandishRange · Attack speed
Rune MageGale Lightning StormAttack speed
SlayerBarrage Pierce AttackRange
Gun CrusherGale Bursting FlareAttack speed
White WizardBarrage Spear StormRange
MageBarrage Ultimate ForceRange
Illusion KnightBarrage Blade StormRange

An ability skill only works when the card is equipped and the matching enhanced skill is enhanced in the Skill Enhancement Tree.

Recommended order: equip an [Extra] card first so Extra Damage works at all, then fill [Option] slots (cheapest at 5 crystals each and they always help), keep those five even in level to unlock [Elite], and save for a [Skill] card last — at 50 crystals it is by far the most expensive.

Skill Card Conversion

Skill card conversion UI MU Online
Right-click a skill card to convert
Skill card conversion example MU Online
Converting one build's card into another

Classes with more than one build can convert a [Skill] card into another build's card instead of farming it from scratch. Right-click the card in the Ability Card Book to open the conversion window.

RuleDetail
Cost1 Ability Crystal + 1,000,000 zen per card converted. Bound crystals are spent first, with normal crystals covering the rest.
What carries overThe resource sub-option (HP / MP / AG) never changes. Skill attack power and the skill effect become those of the new card.
QuantityEvery card you spent levelling the source card, plus its stack, carries across. If you don't own the target card you get a level-0 copy plus the remainder as stack; if you already own it, the whole total is added as stack.
Who can use itDark Knight, Elf, Magic Gladiator, Dark Lord, Summoner, Rage Fighter and Grow Lancer — the classes with divergent build paths.
Ability core slot picker MU Online
Click an empty slot to list the cards you can equip
Ability card list view MU Online
The card book's list view

Two quality-of-life additions came with it: clicking an empty core slot now lists every card you own that fits it (hover for the tooltip, click to equip), and the Ability Card Book gained a [View as List] toggle alongside the codex view.

Tormenta Island

Tormenta Island map MU Online Season 19

Lore: long before Elbeland existed, Lemuria's attack destroyed Elve. The survivors fled to a huge island floating above Tormenta, drawing on its enormous energy and shielding themselves with the Veil of Iruha. Unable to break the Veil, Lemuria seized Tormenta itself — the energy source — and sealed the island, while the Elveians fell into a shamanic sleep. Centuries later the seal weakened, they woke, and became present-day Elbeland. When the seal finally broke, Tormenta's once-unapproachable energy had faded — but Lemuria's surviving minions had fused with it, becoming elemental spirit monsters and the island's new masters.

MapEntryEnter LvPenalty Lv
Tormenta IslandMove command (50,000 zen) or walk in from Elbeland 3 (182,195)1,4001,450
Storm Guard monster MU Online
Storm Guard
Storm Reaper monster MU Online
Storm Reaper
Storm Fiend monster MU Online
Storm Fiend
MonsterLevelBehaviour
Storm Guard850Melee — swings a giant hammer in a wide arc
Storm Reaper850Melee — swings swords in both hands rapidly
Storm Fiend850Ranged AoE — lightning in both hands

It drops Excellent Lightning armor, Apocalypse and Chaos-combine charm pieces, and is the top source of Ability Crystals. Tormenta monsters also apply a 9.5% extra Shock chance. Its elite zone holds level-860 elites — Fire (148,233), Water (25,198), Earth (188,11), Wind (242,158), Dark (55,15) — and the elite Storm Fiend drains 300 mana and 15 AG per hit.

Twisted Kalutan

Twisted Kalutan map MU Online Season 19

Lore: Kalutan, ringed by high mountains in the east, was barren and closed off, its northwest held by the beast-infested Grey Tower. When nomads and newly-landed outsiders joined forces to subdue it, the fighting cracked Kardamahal's magic circle — the seal holding powerful beasts beneath Kalutan. It shattered with a huge explosion, the beasts surged to the surface, and the land itself twisted into a new landscape. Kardamahal's beasts now roam "Twisted Kalutan" and attack anyone who enters.

MapEntryEnter LvPenalty Lv
Twisted KalutanMove command (50,000 zen) or walk in from Kalutan 2 (76,65)1,4501,500
Twisted Crypta monster MU Online
Twisted Crypta
Twisted Gollock monster MU Online
Twisted Gollock
Twisted Condra monster MU Online
Twisted Condra
MonsterLevelBehaviour
Twisted Crypta900Melee attacker
Twisted Gollock900Melee attacker
Twisted Condra900Wide AoE attacker

It drops Excellent Lightning armor and Excellent Socket Necklaces, and its monsters add elemental critical damage resistance on top of the usual resistances. The elite zone holds level-910 elites — Fire (226,54), Water (224,197), Earth (122,23), Wind (25,116), Dark (88,231) — with the elite Condra draining 350 mana and 20 AG per hit.

Grow Lancer Renewal

Over Sting skill MU Online
Over Sting
Wild Brandish skill MU Online
Wild Brandish

The Grow Lancer gained the Combat Power (%) stat (from stat points, weapons and buffs) plus two new skills, both from NPC James, both hitting up to 6 targets in a 6-tile radius for 3 damage each:

SkillRequirementEffect
Over StingAGI 1,470 · Magic Pin Mastery 10PA blindingly fast thrust leaving afterimages — fewer targets hit means higher damage each. Tree debuffs: Freeze / Bleed
Wild BrandishSTR 1,020 · Brandish Mastery 10PSwings the lance to damage a wide area. Tree debuffs: Poison / Bleed

Reworked alongside them: Shining Peak (STR 600, much higher tree damage, now applies Freeze/Bleed), Brandish (6 targets, 4-tile radius, cooldown removed), Rage (now grants Combat Power +10% at −5% defense) and Obsidian (much longer duration). A full ladder of Lancer Shields was added from Blood Angel (Lv400) to Brilliant (Lv1,300).

Dark Lord Renewal

Divine Spirit MU Online
Fire & Ice Divine Spirit
Divine Horse MU Online
Divine Horse

The Dark Lord got the deepest rework of the season — Combat Power (%), a max attack speed of 290, and hugely buffed capes (Cape of Lord absorb 10% → 25%, Emperor 24% → 39%, Dominator and Leadership 37% → 43%).

New petHow to make itWhat it does
Divine SpiritDark Spirit Lv70 + 30 each Bless/Soul/Creation + 1 Chaos + 100,000,000 zen → 45% Fire / 5% IceAuto-attacks in an area while equipped; max Lv50, spirit damage up to 100,000 at 200 attack speed. Skill Divine Force boosts party attack for 3s
Divine HorseDark Horse Lv70 + the same jewels + 100,000,000 zen → 50%Adds defense and Earthshake range +2; max defense 1,500 and elemental defense 500. Skill Divine Aura boosts party defense for 3s
New skillRequirementEffect
Spirit BlastSTR 800 / CMD 620 · Fire Burst Strengthen 10P · Divine Spirit equippedSummons the equipped spirit to strike a ground target — up to 8 targets, 6-tile radius, 2 hits each. The effect changes with the spirit type
Battle GlorySTR 200 / CMD 200Self buff — attack power and Combat Power (%)
Crown ForceLv 220 · ENE 300 / CMD 400Party buff — raises all stats for the whole party
Lord DignityENE 102 / CMD 300Replaces Critical Damage Increase — raises party critical and excellent damage rate

Core skills were rebalanced hard: Force Wave 50 → 70, Fire Burst 100 → 150, Fire Scream 130 → 180, Chaotic Diseier 190 → 220, Wind Soul 85 → 130, and Electric Spike's cooldown cut from 5s to 0.5s. A full Lord Shield ladder was added, up to the Apocalypse Lord Shield at Lv1,400.

7th Mastery Earring – Verdant Earring

Verdant Earring right MU Online
Verdant Earring (Right) — Lv 1,000
Verdant Earring left MU Online
Verdant Earring (Left) — Lv 950

The Verdant Earring is the 7th mastery earring, following Wrath → Ancestor → Honor → Blood → Enchantment → Bond. Wearing the matching left and right pair of the same tier activates the set bonus.

EarringReq levelATK / Magic / CurseElemental defense
Verdant Earring (Right)1,000436 – 439424
Verdant Earring (Left)950396 – 399366
SideRandom options (1–3, values scale with enhancement)
RightMax Mana +1,000 · Excellent damage rate +10% · Critical damage rate +10% · AG auto-recovery +10 · Attack speed +7
LeftMax HP +1,000 · Skill attack power +29 · Mastery attack/magic power +127 · Mastery excellent damage +215 · Mastery critical damage +215
Set bonus (both equipped)
Ignore enemy defense 7% · All stats +10 · Mastery damage +90

How to craft it – A to Z

Verdant Cutting Mold MU Online
Verdant Cutting Mold — 25,000 Ruud
The Verdant Earring is not dropped — it is upgraded from the previous tier.

Base: a Bond Earring (6th mastery) at +11 to +15.
Material: Verdant Cutting Mold — from Priest James, Elbeland (32, 239) for 25,000 Ruud.
Jewels: Bless ×20, Soul ×20, Chaos ×1, Creation ×1.
Where: the Chaos Goblin combine NPC.
#Step
1Get a Bond Earring and enhance it to at least +11 — the higher you go, the better your odds, and +15 is a guaranteed success.
2Buy a Verdant Cutting Mold from Priest James in Elbeland (32, 239) for 25,000 Ruud.
3Gather 20 Jewels of Bless, 20 Jewels of Soul, 1 Chaos and 1 Creation.
4Combine at the Chaos Goblin. Left upgrades into left, right into right — they are not interchangeable.
5On success you receive a +0 Verdant Earring with randomly re-rolled options (1–3; an earring that had 3 options keeps at least 2).
6Enhance the new earring up to +15 at the Chaos Goblin using Cutting Stones — the mastery option values rise with each level.
7Repeat for the other side, then wear both for the set bonus.
Bond Earring level+11+12+13+14+15
Success rate60%70%80%90%100%

On failure the Cutting Mold and all jewels are consumed and your Bond Earring drops to +0 — it is not destroyed, but you lose all the enhancement work. Because +15 is a guaranteed 100%, taking the base earring to +15 first is almost always cheaper than gambling at +11.

6th Guardian – Leviathan

Leviathan Guardian MU Online
Leviathan — Lv 1,300
Leviathan rare Guardian MU Online
Leviathan (Rare) — Lv 1,300

The Leviathan is the 6th Guardian — an inventory-equipped mount at level 1,300. A Rare version exists with identical stats but a different colour, obtainable at a low chance from the same combine.

How to craft it – step by step

Leviathan's Seal MU Online
Leviathan's Seal — 50,000 Ruud
Base: a 5th Guardian (Ur or Ur Rare) at +11 or higher.
Material: Leviathan's Seal — Priest James, Elbeland (32, 239), 50,000 Ruud.
Jewels: Bless ×20, Soul ×20, Chaos ×1, Creation ×1.
Where: the Tamer NPC in Lorencia (122, 110).
#Step
1Enhance your 5th Guardian (Ur) to at least +11. Enhancing past +11 uses Elite Guardian Enhancement Stones, which drop in elite zones.
2Buy a Leviathan's Seal from Priest James in Elbeland for 50,000 Ruud.
3Gather 20 Bless, 20 Soul, 1 Chaos and 1 Creation.
4Combine at the Lorencia Tamer (122, 110). The higher your base Guardian's level, the better the odds — +15 is guaranteed.
5On success you get a +0 Leviathan, with a low chance of the Rare version instead.
5th Guardian level+11+12+13+14+15
Success rate60%70%80%90%100%

On failure the Seal and jewels are consumed and the base Guardian drops to +0. On success its general options and elite-resist option are randomly re-rolled — a Guardian with 3 general options keeps at least 2, and the elite-resist option is always re-rolled, so a good roll can be lost. Guardians can also be disassembled back into Guardian Enhancement Stones.

OptionsValues
Base (always)Movement Speed increase · Attack Speed +7 · Defense +352
General (1–3, scale with enhancement)Elemental Attack +305 · Elemental Defense +305 · Defense +6.0 per 20 levels (to Lv 1,100) · Attack/Magic/Curse +6.0 per 20 levels (to Lv 1,100)
Elite resistance (exactly 1 of 5)Fire: bleed + attack-reduction resist · Water: poison + attack-reduction · Earth: bleed + attack-speed-reduction · Wind: poison + defense-reduction · Dark: bleed + defense-reduction

Apocalypse Weapons & Ancient Lightning Armor

The Apocalypse weapons are the 9th mastery tier — one for every class and sub-weapon, all requiring level 1,400. Every one shares the same Excellent option block:

Shared Excellent optionsWeaponsShields
On every Apocalypse itemExcellent damage rate +10% · Attack (magic) speed +7 · (Life/8) on kill · (Mana/8) on kill · Attack/Magic +3 per 20 levels · +85 attack, magic or curse powerBase defense +3 per 20 levels · Reflect damage 5% · Defense success rate +10% · Max HP +330 · Max Mana +330 · Damage decrease 90

Every Apocalypse weapon

ImgWeaponClassDamageSpdRequirementsSkill
Apocalypse Sword MU OnlineApocalypse SwordDark Knight815–82940STR 1,006 (or ENE 936) / AGI 327Twisting Slash
Apocalypse Shield MU OnlineApocalypse ShieldDark Knightdef 101 · rate 128STR 245 (or ENE 950) / AGI 189
Apocalypse Staff MU OnlineApocalypse StaffDW / MG / White Wizard285–295 · magic 184%30STR 308 / AGI 106
Apocalypse Bow MU OnlineApocalypse BowElf1,235–1,27355STR 206 / AGI 1,204Multi-Shot
Apocalypse Quiver MU OnlineApocalypse QuiverElf723–74360STR 199 / AGI 1,190
Apocalypse Fairy Shield MU OnlineApocalypse Fairy ShieldElfdef 117 · rate 122STR 94 / ENE 926Elem. def +44%
Apocalypse Magic Sword MU OnlineApocalypse Magic SwordMagic Gladiator814–824 · magic 97%45STR 743 / AGI 458 / ENE 164Power Slash
Apocalypse Magic 2H Sword MU OnlineApocalypse Magic 2H SwordMagic Gladiator1,116–1,166 · magic 97%45STR 743 / AGI 458 / ENE 164Power Slash
Apocalypse Scepter MU OnlineApocalypse ScepterDark Lord912–934 · pet 128%40STR 710 / AGI 166Force Wave
Apocalypse Stick MU OnlineApocalypse StickSummoner265–285 · magic 170%30STR 278 / AGI 112
Apocalypse Book MU OnlineApocalypse BookSummonercurse 162%50AGI 206 / ENE 760
Apocalypse Claw MU OnlineApocalypse ClawRage Fighter720–73835STR 595 / AGI 199Phoenix Shot
Apocalypse Lance MU OnlineApocalypse LanceGrow Lancer561–58540STR 448 / AGI 320Thrust
Apocalypse Lancer Shield MU OnlineApocalypse Lancer ShieldGrow Lancerdef 126 · rate 129STR 435 / AGI 308Obsidian +255
Apocalypse Rune Mace MU OnlineApocalypse Rune MaceRune Mage239–252 · magic 158%50STR 294 / AGI 113 / ENE 1,108
Apocalypse Short Sword MU OnlineApocalypse Short SwordSlayer785–86445STR 341 / AGI 1,081Twisting Slash
Apocalypse Magic Gun MU OnlineApocalypse Magic GunGun Crusher370–384 · magic 149%50STR 379 / AGI 322 / ENE 852
Apocalypse Magic Book MU OnlineApocalypse Magic BookWhite Wizardmagic 148–155 · 79%30AGI 192 / ENE 494
Apocalypse Orb MU OnlineApocalypse OrbMage270–284 · magic 186%30STR 171 / AGI 87 / ENE 474
Apocalypse Blade MU OnlineApocalypse BladeIllusion Knight818–84345STR 362 / AGI 1,102

How to craft Apocalypse gear

Apocalypse Anvil MU Online
Apocalypse Anvil
Soul of Lightning MU Online
Soul of Lightning

Both upgrades run at the Chaos Goblin and are guaranteed at 100% — there is no failure risk, so the only cost is materials. Your item keeps its type, Luck option and Excellent options (armor keeps class, slot, Luck and All-Stats), but resets to +0 with 0 options, so enhance and re-socket afterwards.

StepBase itemSpecial materialJewelsResult
9th weapon+11 Brilliant weapon or shield with 16+ optionsApocalypse Anvil — Elbeland NPC James, 100,000 RuudBless ×30, Soul ×30, Chaos ×1, Creation ×1+0 Apocalypse weapon (Lv 1,400)
10th armor+11 Apocalypse armor with 16+ optionsSoul of Lightning — Elbeland NPC James, 50,000 RuudBless ×30, Soul ×30, Chaos ×1, Creation ×1+0 Ancient Lightning armor (Lv 1,500)

Step by step:

#What to do
1Take a Brilliant weapon (the 8th mastery tier from Season 18) and enhance it to +11 or higher with 16 or more options — both conditions are required.
2Buy an Apocalypse Anvil from Priest James in Elbeland for 100,000 Ruud.
3Gather 30 Jewels of Bless, 30 Jewels of Soul, 1 Chaos and 1 Creation.
4Combine at the Chaos Goblin100% success. You receive a +0 Apocalypse weapon keeping its Luck and Excellent options.
5Repeat the same loop with your Apocalypse armor and a Soul of Lightning (50,000 Ruud) to reach the Ancient Lightning 10th mastery set.

The Ancient Lightning set (level 1,500) is the top armor in Season 19. Its 4-set grants mastery critical and excellent damage, ignore enemy defense +9%, critical and excellent rate +20%, triple damage +14%, mastery max HP, damage decrease and mastery enhanced-skill damage. Most classes get five pieces — the Magic Gladiator has no helm and the Rage Fighter no gloves.

Artifact Grade Upgrades

Artifact grade label MU Online
The grade shows in brackets
Artifact grades MU Online
Grade colours 1–10
Artifact holdings UI MU Online
The new holdings panel

Artifacts gained grades 1–10. The grade is the initial option value rolled when the artifact was created, displayed in brackets next to the option — so a grade-8 artifact simply starts from a much higher number than a grade-1 one. Attack-speed options only go up to grade 5.

How to upgrade a grade

Chaos Goblin artifact menu MU Online
Chaos Goblin → Equipment Enhance/Craft
Artifact grade upgrade UI MU Online
The upgrade window
#Step
1Get two artifacts of the same type, the same option and the same grade — all three must match.
2Go to the Chaos Goblin in Noria and open [Equipment Enhance/Craft]Artifact Grade Upgrade.
3Right-click your main artifact — the sub artifact and the required Enhancement Stones are registered automatically by inventory order.
4Confirm. The main artifact's grade rises by 1 and it keeps its enhancement level — a +9 grade-1 main combined with a +1 grade-1 sub gives a +9 grade-2 artifact.
GradeEnhancement StonesZenChance
1 → 22010,000,00090%
2 → 32510,000,00085%
3 → 43010,000,00080%
4 → 53510,000,00075%
5 → 64010,000,00070%
6 → 74510,000,00065%
7 → 85010,000,00060%
8 → 95510,000,00040%
Important limits
On failure only the sub artifact is destroyed — your main artifact survives untouched, so you never lose enhancement work.
Grade 9 cannot be upgraded to grade 10 (added June 2024).
Grade upgrading is only available during artifact sale / artifact combine event periods.
The Spider Artifact type-4 attack-speed option cannot be grade-upgraded at all.

Alongside this, the base artifact creation rate dropped from 80% to 70% (fragment + 50 Jewels of Creation + 10,000,000 zen), the Barca reward was re-tuned to give more Enhancement Stones, high grades now show colour-coded in the inventory, and a new artifact holdings panel lists everything you own.

Event Map & Boss Entry – the unified UI

Event map UI open MU Online
Opening the new UI
Event map tab MU Online
Event Map tab
Boss battle tab MU Online
Boss Battle tab

Season 19 replaced the scattered event entry NPCs and windows with a single unified UI covering Event Maps, Boss Battles and the Competition systems (Castle Siege, Arca War). Open it from the main button set or the event-map entry icon, pick a tab, choose the content on the left, and enter directly from the panel.

Event map entry by grade

Every event map now has graded entry levels, with monster balance scaled to the grade you enter:

GradeChaos Castle / Blood Castle / Devil Square / DoppelgangerIllusion Temple
150 – 399180 – 399
2400 – 799400 – 799
3800 – 899800 – 1,299
4900 – 1,0991,300 – 1,499
51,100 – 1,2991,500 +
61,300 – 1,499
71,500 +

The new Illusion Temple ticket

Illusion Temple now uses the Scroll of Blood — grades 1–5 require Scroll of Blood +1 to +5 respectively. Each is combined at 70%:

ResultMaterialsZen
Scroll of Blood +1Old Scroll +1 · Illusion Sorcerer's Covenant +1 · Jewel of Chaos3,000,000
Scroll of Blood +2Old Scroll +2 · Covenant +2 · Jewel of Chaos5,000,000
Scroll of Blood +3Old Scroll +3 · Covenant +3 · Jewel of Chaos7,000,000
Scroll of Blood +4Old Scroll +4 · Covenant +4 · Jewel of Chaos9,000,000
Scroll of Blood +5Old Scroll +5 · Covenant +5 · Jewel of Chaos11,000,000

Boss battle changes

ChangeDetail
Respawn timerNow a random 18–24 hours after being killed for Phantom of Kundun, Medusa, Selupan, Lord Silvester, Core Magriffy, Ferea Lord, Nix and the God of Darkness.
Auto-exitStaying more than 5 minutes after a boss dies teleports you to the map's start point — no more camping the spawn.
Nix ticket"Spirit Nixie's Fragment" now drops by chance from Selupan in Raklion.

Skill Enhancement Tree – 4th stat option rework

4th stat option UI MU Online

Spending 4th-stat points used to mean a tedious loop: pick an option, add 8 stat points, confirm, repeat. Now you enhance in multiples of 8 in a single action, spending 1 skill-tree point per 8 stat points. Spending 3 tree points is one confirm for 24 stat points instead of three separate cycles.

ImprovementDetail
Bulk enhancementThe UI shows your usable stat points, the total accumulated versus the maximum allowed for that option's activation stage, and only enables Confirm on a multiple of 8.
Mouse controlsLeft click = ±1 point, right click = ±8 points.
Dark LordCommand was added as a variable 4th stat in the skill enhancement tree.

Note that Skill Enhancement Tree points can no longer be gained above character level 1,600 — the 5th-class Ability Core takes over from there.

Max Level & Reward Muuns

Max level rose 1,550 → 1,600 → 1,650 across the two parts, each with a Season Level Reward box (Gremory Case, 30-day claim, 14-day box life) granting a Muun with ×20 base ability for 30 days:

Grow Lancer Muun MU Online
Grow Lancer Muun
Dark Lord Muun MU Online
Dark Lord Muun
MuunFromBase ability
Grow LancerReach Lv 1,550 (max-level 1,600 patch)Skill Attack Power +15
Dark LordReach Lv 1,600 (max-level 1,650 patch)Elemental Defense +10

Season 19 also re-tuned every high-level hunting ground around the 5th class change — for example Burning Kethotum moved from entry 1,160 to 1,200, Ignis Volcano to 1,300, Bloody Tarkan to 1,350 and Tormenta Island to 1,400 — and unified the event-map and boss-battle entry into a single UI with graded entry levels.

Continue Reading

GuideWhy it helps
Season 18 guideThe Illusion Knight and Artifacts, right before.
Classes overviewEvery class that reaches 5th change.
Wings guideThe whole wing ladder up to 5th.
Earrings guideThe full mastery earring ladder.

FAQ

Where can I play Season 19?
Browse the Season 19 private servers listed — the 5th class change and Ability Cards carry into every later version.

Is the 5th class change hard?
The gate is level 1,200 and gear, not difficulty — each of the three trials is a one-minute duel with Unis while the buff is active. Bring enough damage to burst her down inside the timer.

Are 5th wings worth the cost?
They're the biggest single power jump available — over 2,000 attack and defense and 70% damage increase at +15 — but the final combine is only 24% (34% with a Lucky Talisman), so budget several Relics.

What should I do first at 5th class?
Equip an Extra Ability Card so Extra Damage actually fires, then farm Ability Crystals in Tormenta Island for [Option] cards — they fill the most slots and give the steadiest stat gain while you save for [Skill] cards.