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Diablo II Monsters [e]
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is a Monster
and a Demon
and a SuperUnique
and an Act Boss

Diablo is a Demon, a SuperUnique, and an Act Boss.

Different versions of Diablo appear in several locations throughout the game. His main and original role is as the boss of Act Four, but he also appears in two special events added in patches long after release; as Uber Diablo (who can replace any SuperUnique in the entire game) and as Pandemonium Diablo in Uber Tristram at the end of the Pandemonium Event.

Game Interactions[edit]

Diablo's original role is as the Act Boss of Act Four and must defeated to complete the Terror's End quest. This quest ends the game in Diablo II and enables access to Act Five in Diablo II: Lord of Destruction. Diablo is found in the Chaos Sanctuary. He appears in the center of the large pentagram after the five seals have been opened and the three seal bosses have either been killed or lured out of the Chaos Sanctuary.


Diablo is the Lord of Terror and the youngest of the three Prime Evil brothers. The pursuit of Diablo and the battle to destroy his soulstone is the focal point of the game story and the lore in the game manuals for Diablo and Diablo II.

Like many of the monsters in Diablo II, Diablo was more difficult in earlier versions of the game. Prior to v1.08, his Firestorm (ground fire) attack could instantly kill almost any character who took it at point blank range since there were so many overlapping pixels of flames. Maximum fire resistance was essential along with fire absorption, and digging in for a long toe-to-toe fight with Diablo was almost sure suicide. Hit-and-run tactics had to be employed in order to survive back then.

v1.08 made Diablo much less dangerous and v1.10 nerfed him even further. Diablo's Firestorm does much less damage and his pink lightning hose no longer touches characters battling him at melee range, though it can still be quite dangerous to ranged attackers.


Diablo spent two centuries slowly working to corrupt the Soulstone that imprisoned him. In time, he was able to extend his influence into the surrounding area of Khanduras and corrupt both King Leoric and his archbishop, Lazarus. The King proved too strong to fully control so the Demon took possession of his son, Prince Albrecht. Diablo then began to shape an outpost of Hell within the catacombs that ran beneath the town of Tristram. By spreading terror into the surrounding countryside, the demon was able to attract many heroes who came to cleanse the land of evil. By the time the strongest of these heroes reached this goal, though, he had become fully influenced by the will of Diablo. In his twisted state, this adventurer believed that the only way to fully control the Demon was to plunge the shard of the Soulstone into his own head. This, of course, was exactly what Diablo had planned as the Demon now had an even stronger body to use to find his brothers and complete his ultimate plan.


Stats are displayed by difficult level: Normal / Nightmare / Hell.

The stats on this page apply only the regular version of Diablo, found as the act boss of Act Four. See the Uber Diablo and Pandemonium Diablo articles for details about those other incarnations of Big Red.

  • Diablo deals seven times his normal damage to player minions making it hard to keep mercenaries or summoned minions alive.
Name Level Experience Hit Points Speed Max TC/Rune
Diablo 40 / 62 / 94 44902 / 465,362 / 2,195,808
13818 / 90749 / 113,812
6 36/Dol, 60/Ist, 84/Zod


Diablo's stats are all preset. He does not get any random Monster Modifiers.

  • Diablo is vulnerable when charging, since he will run very slowly if slowed by various CC attacks, including cold attacks, the Holy Freeze aura, the Decrepify curse, etc. Ranged attackers can land many, many shots while Diablo slowly charges towards the location where they were standing when he began the charge.
Name Melee Attack 1 Attack Rating Melee Attack 2 Attack Rating 2 Charge
Diablo 19-49

Magical Attacks[edit]

Diablo uses a variety of spells to supplement his melee strikes. Several of these hit for physical and elemental damage making physical resistance useful for characters who wish to survive the battle.

Name Pink Lightning Cold Hand Fire Nova Firestorm Firewall
Diablo Physical+Lightning:
54-72 + 126-216/sec
126-144 + 234-324/sec
216-234 + 378-468/sec
Magic damage:
42-61 (8s chill)
69-97 (8s chill)
105-145 (8s chill)
Fire dmg:
8-17 + 24-38 (3-9 hits)
15-24 + 40-54 (6-18 hits)
24-32 + 62-76 (10-30 hits)
Fire dmg:


Like the other act bosses, Diablo does not regenerate hit points, unless you level up mid-battle by killing other monsters.

  • Drain Effectiveness tells what % of a character's mana and life steal apply to that monster. 100 is all, 0 is none.
  • Chill Effectiveness tells what % of a character's cold length applies to the monster. 100 is all, 0 is no freeze/chill at all.
Name Defense Blocking Regen Rate Drain Effectiveness Chill Effectiveness


208 / 1176 / 2534
20% / 40% / 50% --
100 / 50 / 0
25 / 15 / 10


  • Resistances over 99% are listed as immunities and monsters will take no damage from that type of attack.
  • Immunities can be "broken" by skills that lower resistance, if the value drops below 99%. See the Resistances page for more details.
Name Physical Fire Cold Lightning Poison Magic


0% / 0% / 45%
33% / 50% / 50%
33% / 50% / 50%
33% / 50% / 50%
50% / 50% / 50%
0% / 0% / 0%


All SuperUniques (except for Uber Diablo) are found in roughly the same location every game on all three difficulty levels (Except for the Uber Monsters who are only found in the Hell Difficulty).

Name Location
  • The Chaos Sanctuary, Act Four. As the Act boss for the main quest run, Diablo appears in the center of the pentagram once all five seals have been opened and the three seal bosses are either dead or lured away from the Chaos Sanctuary.
  • Uber Diablo: Can appear anywhere, replacing the closest SuperUnique to a player. This version of Diablo is summoned by selling Stone of Jordan rings in an event added in the v1.10 patch.
  • Pandemonium Diablo: Found in Uber Tristram as part of the Pandemonium Event, a special quest event added in the v1.11 patch.


Aggh... The smell of life surrounds me.
Not even death can save you from me...