Hotfix (2023-07-24):Now deals 230% increased damage in PvP combat.
Patch 10.0.0 (2022-10-25): Now a row 8 Affliction talent (was a level 45 Affliction talent).
Patch 9.1.0 (2021-06-29): Now also increases the damage of pets and guardians.
Patch 9.0.1 (2020-10-13): Duration is now 18 seconds (was 15 seconds). Now available at level 45 (was 90).
Patch 8.0.1 (2018-07-17): Now a level 90 talent (was 15). Cooldown reduced to 15 seconds (was 25 seconds), damage bonus reduced to 10% (was 20%).
Patch 7.2.5 (2017-06-13): Haunt's cooldown reduced to 25 seconds (was 30 seconds), and damage bonus reduced to 20% (was 30%).
Patch 7.1.5 (2017-01-10): Cooldown is now 30 seconds (was 15 seconds) and Haunt now also increases damage by 30%.
Hotfix (2016-09-23):Haunt (Talent) damage increased by 15%.
Hotfix (2016-08-26):Haunt damage increased to 700% of Spell Power (was 600%).
Patch 7.0.3 (2016-07-19): Now a level 15 Affliction talent (was a level 60 Affliction ability). No longer increases damage over time on the target. Damage increased by 16%.
Hotfix (2015-07-23):Haunt now deals 25% less damage in PvP combat.
Hotfix (2015-07-20):Haunt damage has been increased by 25%, and now increases periodic damage dealt by 35% (up from 30%).
Patch 6.0.2 (2014-10-14): Now increases periodic damage by 30% (down from 35%). Now learned at level 60 (was 62).
Hotfix (2013-10-04):Haunt should no longer incorrectly increase the damage of non-periodic spells.
Hotfix (2013-09-23):Haunt now increases all periodic damage against the target by 35% (down from 40%).
Patch 5.4.0 (2013-09-10): Now deals 50% more damage, and increases damage done by all of the Warlock's damage-over-time spells against the target by 45%.
Patch 5.2.0 (2013-03-05): Now causes the target to receive an additional 30% damage (was 25%) from Warlock's spells.
Patch 5.0.4 (2012-08-28): Now cost 1 Soul Shard instead of mana and is a level 62 Affliction ability (was a tier 7 Affliction talent). Redesigned: You send a ghostly soul into the target, dealing X Shadow damage and increasing all damage done by your spells on the target by 25% for 8 sec. Cooldown removed (was 8 seconds).
Old: You send a ghostly soul into the target, dealing Shadow damage and increasing all damage done by your Shadow damage-over-time effects on the target by 20% for 12 sec. When the Haunt spell ends or is dispelled, the soul returns to you, healing you for 100% of the damage it did to the target.
Patch 4.1.0 (2011-04-26): Damage has been increased by 30%.
Patch 4.0.1 (2010-10-12): Moved to tier 7 (was tier 11). Ranged increased to 40 yd (was 30).
Patch 3.1.0 (2009-04-14): Now only increases your shadow damage-over-time on the target (was all damage over time spells).
Patch 3.0.8 (2009-01-20): Will now gain correct damage modifiers for the creature type of the target. In addition, this ability is now limited to a single target as intended. This also now works properly when refreshed on its current target.
Patch 3.0.3 (2008-11-04): The cooldown has been changed to 8 sec down from 10 seconds, and refreshing the Haunt will trigger the heal from the existing Haunt. This ability will no longer heal for incorrect amounts or fail to heal when the Haunt damage was the killing blow.
[Focused Malignancy] or 
[Withering Bolt]
[Haunted Soul], 
[Seized Vitality]
Hotfix (2023-07-24): Now deals 230% increased damage in PvP combat. 
