|The subject of this article was removed from World of Warcraft in patch 3.1.0.
Blackout was a priest talent that has a chance to stun an opponent for 3 seconds. Blackout triggered from damage spells from the Shadow tree, but not from Shadow spells in the Discipline tree (such as or Feedback). It did not trigger off spell ticks (such as each tick of ), only at the initial hit of the spell. The chance to trigger depended on the number of talent points invested, increasing by 2% for each point, up to a maximum chance of 10%. This talent was usually taken by PvP Shadow Priests in lieu of .
- Patch 3.1.0 (2009-04-14): Removed.
- Patch 2.1.0 (2007-05-22): The delay on the stun effect has been reduced.
- Patch 1.7.0 (2005-09-22): Fixed a bug where rank 2 of the talent wasn't giving a chance to stun.