Home News Complete Arcane Lineage Boss Guide – How to Beat Them All

Complete Arcane Lineage Boss Guide – How to Beat Them All

Author : Jacob Mar 06,2025

This Arcane Lineage boss guide details strategies for defeating various bosses, ranging in difficulty from solo-defeatable to requiring multiple teams. Each boss presents unique challenges and mechanics, demanding strategic planning and patience. Defeating them yields some of the game's best loot and items.

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Arcane Lineage Boss List

Boss Location Difficulty
King Slime Around the City Easy
Yar’thul, the Blazing Dragon Inside Mount Thul Normal
Thorian, the Rotten Deep in the Cess Grounds Hard
Metrom’s Vessel Deeproot Canopy Very Hard
Seraphon Unlocked via Church of Raphion Hard
Arkhaia Unlocked via Cult of Thanasius Very Hard

King Slime

More of a mini-boss, posing minimal threat to higher-level players. No soul points are awarded for its defeat.

King Slime Location

Spawns after 100 Slimes are killed on the server, near the city closest to the last slain slime. A quest notice appears on the Quest Board. The quest involves locating and killing the King Slime. A 30-minute server-wide cooldown applies.

King Slime Fighting Strategy

400 HP (600 HP if Corrupted). Summons slimes and uses AOE poison attacks. Prioritize eliminating summoned slimes before focusing on the King Slime. AOE attacks inflict Poison but minimal direct damage.

Attacks Energy Cost Effect
Slime Creation 1 Summons a Slime.
Crush 0 Attacks a party member.
Poison Eruption 2 AOE poison; undodgeable.
Scalding Spray 3 AOE poison; undodgeable.

King Slime Drops and Rewards

Possible drops: Random Tier 1 Equipment, Slime Buckler, Gelat Ring. Quest rewards: Ferrus Skin Potion, Small Health Potion, Essence, Gold.

(Continue with Yar’thul, Thorian, Metrom’s Vessel, Seraphon, and Arkhaia sections following the same structure as the King Slime section, maintaining image formatting.)

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