- Patch 7.0.3 (2016-07-19): Now includes focus for hunters.
- Patch 6.0.2 (2014-10-14): Now increases maximum mana, energy, rage, and Runic Power by 5% instead of only increasing maximum mana.
- Patch 4.0.1 (2010-10-12): Now increases mana pool. Previously increased intellect by 5%.
- Patch 1.1.0 (2004-11-07): Added.