Every 1% mastery gained increases mana regeneration and maximum mana by 1%, and Arcane Charges' effects on Arcane Blast by 0.5% and Arcane Barrage by 0.25%.
At level 120, it takes 60.01 mastery rating to grant 1% mastery.
- Patch 9.0.1 (2020-10-13): Now has an additional effect – Increases all other Arcane damage.
- Patch 8.0.1 (2018-07-17): Arcane Charges effect modified. Previously caused Arcane Charges to increase the damage of affected spells by 4.80%.
- Hotfix (2016-09-23): "Mastery effects increased by 20%."
- Patch 7.0.3 (2016-07-19): Added, replacing .