Abyss Knights are a type of Oblivion Knight. When Hell hurls its troops at mortal armies, Abyss Knights lead the vanguard.^[1]

In-game

Abyss Knights are found in Act IV of Diablo II, specifically at the City of the Damned and River of Flame. They are a cross between the blade-wielding Doom Knights and the spell-casting Oblivion Knights.

They carry a longsword on one hand dealing spectral damage with 40% chance, while having colored light emitting from the other hand. The lights on their hand indicates the type of the magical missile they cast. Though they have both qualities of their specialized variants, they do not excel in any particular areas.

Those having an orange light cast fire missiles, those with a blue light cast cold missiles, while those with a green light cast poison missiles. Abyss Knights with a purple light cast pure magic missiles.

Apart from casting missiles, Abyss Knights can also cast the Necromancer's Bone Armor spell.

Statistics

Abyss Knight

Property	Normal	Nightmare	Hell
Type	Undead	Undead	Undead
Act(s) found in	4	4	4
Monster Level	27	57	84
Treasure Class	?	?	?
Rune Drop	?	?	?
Experience	650	14061	69770
Health	145–194	1489–1861	5460–9100
Regen Rate	?	?	?
Damage 1	12–26	42–65	84–131
Attack Rating 1	256	1897	5729
Damage 2	12–26	42–65	84–131
Attack Rating 2	256	1897	5729
Defense	173	897	1879
% to Block	27	27	27
Physical Resist	0	0	33
Magic Resist	0	0	0
Fire Resist	40	40	40
Cold Resist	40	40	40
Lightning Resist	80	80	100
Poison Resist	40	40	50
Drain Effectiveness	100	75	33
Immunities	—	—	Lightning
Chill Effectiveness	50	33	25
Walk/Run Speed	7	7
Group/Minion Size	1–3	—

References