For the subzone of Mount Hyjal, see The Inferno.
For the warlock talent, see Inferno (warlock talent).
Inferno Usable by Class Warlock Properties Type Utility School Shadow Cooldown 10 minutes Talents Talented No Other information Ranks 1 Related debuff
The master of every infernal worries not about its death, but that it might survive too long.
 Inferno is an warlock AoE spell that summons an infernal and requires an . Once in the [Infernal Stone ] infernal is summoned, it will automatically be under the effects of Enslave Demon for one minute, after which it will die. Inferno has a cooldown period of ten minutes. An Inferno has a permanent Immolation aura that breaks CC. In Alterac Valley players tend to over estimate an Infernal's strength and can be used as a rather effective distraction target.
Inferno has a 100%
spell power coefficient.
This spell can be learned from
or the quest [Grimoire of Inferno ]  . However it is much easier for high level warlocks to get this spell through the book rather than the quests. The book has a roughly 3% drop rate from Kroshius' Infernal Core Scarshield Warlocks in Lower Blackrock Spire, and should drop after 1 or 2 runs.
Cataclysm This section concerns content exclusive to Cataclysm.
Inferno will no longer replace your current minion. Instead, the Infernal will attack the target of
Bane of Agony or Bane of Doom.
/ Removed. The infernal is now summoned through the spell Patch 4.0.1 (12-Oct-2010): Summon Infernal.
The cooldown on this summoning spell has been reduced from 20 minutes to 10 minutes. Cannot be used in Arenas. Patch 3.3.0 (08-Dec-2009):
The Infernal now despawns instead of needing to be re-enslaved. Now stays up 1 minute, down from 5. Can now be cast indoors as well as outside. Patch 3.0.3 (04-Nov-2008):
The stun effect can now be resisted. Tooltip updated to reflect enslave duration after the initial summon. Patch 1.7.0 (13-Sep-2005):
The summoned Infernal will now be enslaved for 5 minutes before turning on its summoner. Patch 1.5.0 (2005-06-07):
Can now be learned from Patch 1.4.0 (2005-05-05):  . Kroshius' Infernal Core
The duration the Infernal is enslaved when first summoned has been increased. The area of effect damage caused by the Inferno spell, and all threat generated by it, will now originate from the Infernal. The Infernal will now immediately attack targets within the radius of the spell. Patch 1.3.0 (07-Mar-2005):