Archdemon of the Rift

Level 60 Demon Boss

Ul-Vaelor, the Hollow One, who was Saervan, Master Warden of Tor Saerith and foster-brother to the last king. He listened to the Emptiness beneath the world, and so he was heard. What sits upon the Hollow Throne wears him still. It will offer you your children. Do not answer.

Stats

Level: 60 (data base level 60; monsters are rescaled to the level of the spawner they come from)
Hit points: 171,600 at level 60
Damage: 22–42 per hit (×12.72 in combat before your armour: ≈ 280–534)
Damage type: Magic
Armor class (defence): 126 (blocks that share of your weapon damage: AC / (AC + 100 + 8 × your level), max 60%; spells ignore AC)
Accuracy (hit): 76 (its chance to hit you = 80% + 1% × (accuracy − your AC), 10–95%)
Attack speed: one attack every 1.5 s
Move speed: 45 (game units; higher is faster)
XP when killed: 59,018 at level 60
Element: None (physical creature)
Family: Demon

Stats by spawn level

Level	HP	Damage	Hit (×combat mult)	AC	Accuracy	XP
60	171,600	22–42	280–534	126	76	59,018

Resistances & weaknesses

Fire	Ice	Poison	Earth	Storm	Holy	Dark
normal	normal	normal	normal	normal	normal	normal

Derived exactly as the game does (elemental_mult): same element ×0.75, opposite element ×1.5, Void creatures ×0.8 to everything. Physical damage is reduced by AC instead.

Abilities

Its blows deal magic damage
Hard enrage after 480 s of combat (×3 damage, ×1.4 speed, attacks ×2 as often)
Soul drain: if you stay 2+ tiles away for 3.5s it drains 3% of your HP per 1s and heals itself (range 14)
Swaps its element between fire and ice every 16s (3s warning)
Rifts: 3 marked patches (radius 1) erupt around you after a 1.4s warning, ×1.4 magic damage, every 9s
Blinks 2–3 tiles after a 0.7s warning, every 13s, then casts a nova (radius 2, ×1 damage)
Below 70% HP – "Void screams: 'Kneel before the Rift!' Crystals of void rise around it.":
Shield: 2× Void Pylon guard the boss (it takes ×1.3 damage for 8s once they are broken)
Summons waves of Void Walker, Void Wraith (2 each, up to 3 alive), every 50s
Sweeping beam (9 tiles long, 120° arc over 2.4s), ×0.5 element damage, every 12s
Hazard pools: 4 pools (radius 8) on the ground, 4% of your max HP per second of magic damage, after a 2s warning, every 1s
Below 35% HP – "The Rift tears open! Void drags the world toward its maw.":
Pull: pull (range 9, 5 cells) after a 1s warning, ×0.4 damage, every 14s
Knockback: knockback (range 2, 4 cells) after a 0.9s warning, ×0.6 damage, every 11s
Hazard pools: 5 pools (radius 8) on the ground, 5% of your max HP per second of magic damage, after a 2s warning, every 1s
Rifts: 5 marked patches (radius 1) erupt around you after a 1.2s warning, ×1 element damage, every 7s
Nova: Element nova around itself (radius 3, ×1.2 damage), every 10s
Enrage: enrages below 100% HP (×1.15 damage, ×1.2 speed)

Where to find it

Zone	Spawn level	Spawners	Areas (x, y world tile)
Void Rift	60	1	80 tiles SW of Null Crypt (960, 436) · 1 spawner

Spawner locations of Archdemon of the Rift on the world map

Each red dot is a spawner (world is 1280×1280 tiles). Click a zone for its page.

Close-up map — Densest area, 80 tiles SW of Null Crypt (960, 436), in Void Rift.

Starfall Rift – final boss (level 61)

Drops

Drop	Chance per kill	Rarity / type	Notes
Gold	100%	Currency	3000-5000
Greater Health Potion	100%	Common	x5-8
Void Ore	100%	Common	x3-6
Equipment (random base, tier and quality)	100%	Normal / Magic / Rare / Legendary	odds per piece: Normal 70%, Magic 22%, Rare 7.0%, Legendary 1%
Spell Tome (random spell, tier up to its level)	100%	Tome
Void Token	100%	Common	x3-3
Piece of Runestone Regalia	8%	Set
Any Unique item (a random unique, from any monster)	0.10%	Unique

Loot table boss_final: 1 roll per kill. Equipment tier follows monster level (level 60 → tier 9, Voidsteel; ±1 tier 10% of the time). Champions roll one extra gear roll with ×4 gear chance. Chances are the in-game Bestiary rates (Bestiary.drop_table); set pieces and uniques are the global 1% / 0.10% rates.

Quests

No quest asks you to hunt this creature.