User blog:Setery10/Ability Damage (Stat)

directly increases the base Magic Damage based on the user's stat%.

Increasing Base Ability Damage
The skill increases  by 0.5% per level, up to 30% at level 60. Increasing base can also increase magic damage. Base from Enchanting is rounded up in the player's stat summary.

Increasing Bonus Ability Damage
Some gear provides such as Dark Goggles, Shadow Goggles, and Wither Goggles. can also be further increased with the Renowned reforge, the Loving reforge, the Sheep Pet, and Legion.