It's best to leave this CVar enabled, as predictedPower is known to cause weird bugs like DK runes not activating as of 4.0.3a
Whether or not to use predicted health values in the UI.
Changing this setting
In-game, type the following
/console predictedHealth setting
Alternatively, you can exit wow, open the Config.wtf file, and add the following line:
SET predictedHealth setting
- Patch 3.0.2 (2008-10-14): Added.