25-player heroic mode refers to a new raid difficulty setting. This setting is accessed from the raid leader's portrait menu; currently the only other difficulty settings are 10-player Normal mode, 10-player Heroic mode and 25-player Normal mode for raids.
Removed with Warlords of DraenorThis section concerns content exclusive to Warlords of Draenor.
This mode will be removed with Warlords of Draenor. Instead, both heroic modes (10 and 25) will be consolidated into a flexible raiding Heroic mode raid.
- Patch 6.0.0 (?The date "?" was not understood.): Removed.