Its really blurry and choppy all over, and it seems like a simple recolor of the sorceress. If you make more edits towards it and make it less choppy and more sharper then we can try this,

Edited icons from a Blizzard Entertainment universe must include the original icon in the description. If they are decent quality (e.g. strictly not a recolour), they can be approved with Blizzard Entertainment set as a co-author.