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The king of lich kings

Arthus is a Tier 4 rare Party boss located in Vulkrum Badlands. There is a 10% chance it will spawn from Lich King.

Attack List

Skill Description
Spell slash
Unholy Cleave[1] Deal 1.8x Atk & Give Def↓50% for 3 Turns
Spell slash
Slash II Deal 2.2x Atk
Spell shield slam
Shield Slam Deal .5x Def & Gain Def↑50% for 2 Turns
Spell might
Basic Deal 1x Atk & 1x Matk
Spell might
Basic Deal 1x Atk & 1x Matk
  1. Unholy Cleave deals 1.8x Atk + 1x Matk.

Possible Drops

Slot[1] Name Quantity Chance to drop[2] Sell Value
1 Undead Plate Undead Plate 1 - 4 Always 12 - 88
2 Undead Blade Undead Blade 1 - 4 Always 12 - 88
3 Arthus Skull Arthus' Skull 1 28.57% - 31.58% 200 - 250
Kings Blade King's Blade 1 - 3 28.57% - 31.58% 100 - 450
Undead Plate Undead Plate 1 - 4 4.76% - 5.26% 12 - 88
Undead Blade Undead Blade 1 - 4 4.76% - 5.26% 12 - 88
Skeleton Skull Skeleton Skull 1 - 3 9.52% - 10.53% 60 - 270
4
Necro Crystal
Necro Crystal 1 - 3 17.39% - 23.53% 30 - 150
Amethyst thumb
Amethyst 1 - 3 8.70% - 11.76% 200 - 720
Death Rune
Death Rune 1 - 3 8.70% - 11.76% 170 - 615
  1. For Slot 1 32 Luck is needed for 5x Undead Plate.
    For Slot 2 32 Luck is needed for 5x Undead Blade.
    For Slot 3 14 Luck is the cap for S grade Quests.
    For Slot 4 44 Luck is the cap for S grade Quests.
  2. Lowest number is chance to drop for D grade Quest result. Highest number is for S grade Quest result.

Notes

The base chance for a Rare mob is 10%, but the chance to be rare next time depends on Quest grade.

S - 16%
A - 14%
B - 12%
C - 10%
D - 8%