Diablo

Complete Diablo 1 bestiary: every monster and boss with HP, resistances, immunities, and AI behavior from Cathedral to Hell. Includes Diablo boss strategy guide.

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DATABASE ← Diablo I

👹 Diablo 1 Bestiary

Every monster in Diablo 1's depths. Stats, resistances, AI behavior, and how to kill them.

Cathedral

Monster	Floors	mlvl	HP	Resist	Immune	Behavior
Zombie	1-3	1-4	12-36	—	—	Slow walker, attacks on contact
Fallen One	1-4	1-5	4-20	—	—	Runs in packs, flees when leader dies
Skeleton	1-4	2-5	8-24	—	Magic	Melee fighter, weak to blunt weapons
Skeleton Archer	2-4	3-6	6-18	—	Magic	Fires arrows from range, retreats
Scavenger	2-4	3-6	10-30	—	—	Fast mover, charges in groups
Skeleton Captain	3-4	5-8	20-40	—	Magic	Leads skeleton packs, stronger melee

Catacombs

Monster	Floors	mlvl	HP	Resist	Immune	Behavior
Hidden	5-7	7-12	24-60	—	—	INVISIBLE until attacking. Swing at empty doorways.
Goatman	5-8	8-14	30-70	—	—	Melee fighters in groups, some have shamans
Goatman Archer	5-8	8-14	20-50	—	—	Ranged attackers, stay behind melee goatmen
Gargoyle	6-8	10-14	40-80	—	—	Turns to STONE when idle — looks like scenery. Activates when approached.
Acid Beast	6-8	9-13	20-50	—	—	Spits acid from range, low HP
Lightning Demon	7-8	11-15	30-60	Lightning	—	Fires lightning from range. VERY dangerous in groups.
Horned Demon	5-7	8-12	36-72	—	—	CHARGES from long range — high damage impact

Caves

Monster	Floors	mlvl	HP	Resist	Immune	Behavior
Magma Demon	9-11	15-18	60-100	Fire	—	Fires magma bolts. Resists fire damage.
Viper	9-11	15-18	40-80	—	—	Very fast movement, charges and bites. Hard to kite.
Succubus	10-12	16-20	40-70	—	—	Fires BLOOD STAR from off-screen range. Retreats when approached.
Balrog	11-12	18-22	80-150	Fire	—	Very high HP and damage. Inferno breath attack.
Overlord	10-12	17-20	60-120	—	—	Charges like Horned Demon but hits harder

Hell

Monster	Floors	mlvl	HP	Resist	Immune	Behavior
Blood Knight	13-16	21-28	100-200	Fire, Lightning	Magic	Fast, high damage, heals each other. THE most dangerous regular enemy.
Advocate	13-16	22-28	60-100	Magic	—	Casts Apocalypse and Fire Ball from range. Priority kill target.
Snow Witch	13-14	21-24	50-80	—	—	Casts spells from range, can slow you
Soul Burner	14-15	23-26	50-80	Fire	—	Ranged fire attacks, dangerous in groups
Doom Guard	14-16	24-28	80-160	Fire	Magic	Heavily armored, high damage. Tanky and relentless.

💀 Bosses

The Butcher

Floor 2 · mlvl 10 · 110 HP

""Ah, fresh meat!""

Opens his room immediately — charges and attacks. Kite around the room or Stone Curse him. Warriors can tank with potions. Sorcerers use Fire Wall.

Drop: The Butcher's Cleaver (quest)

Skeleton King

Floor 3 · mlvl 15 · 240 HP

Immune: Magic

""The warmth of life has entered my tomb...""

Surrounded by skeletons. Kill adds first. Holy Bolt devastates him (undead). Stone Curse works. Relatively easy with preparation.

Drop: Undead Crown (quest)

Archbishop Lazarus

Floor 15 · mlvl 26 · 600 HP

Resist: Fire, Lightning

""Abandon your foolish quest!""

In a special level with Red Vex and Black Jade (Succubi). Kill the Succubi first — they spam Blood Star. Lazarus casts spells. Stone Curse mandatory.

Drop: Random magic/unique

Diablo

Floor 16 · mlvl 30 · 1666 HP

Resist: Fire, Lightning, Magic

""Not even death can save you from me.""

Casts Apocalypse (massive fire AOE). Stone Curse DOES NOT work on Diablo. Requires massive fire resist (capped), high DPS, and lots of potions. Hit and run. Mana Shield Sorcerers have the easiest time.

Drop: Game completion

Combat Tips

Blood Knights are the deadliest regular enemy — they heal each other. Kill them one at a time with Stone Curse.
Hidden enemies are completely invisible until they attack. Swing at empty doorways in the Catacombs.
Undead (Skeletons, Zombies) are immune to Magic damage but weak to Holy Bolt and blunt weapons.
Succubi spam Blood Star from beyond your screen range. Close the gap fast or use Fire Wall.
Stone Curse works on every enemy in the game except Diablo. It's mandatory for Hell difficulty.