Talk:Thresh/@comment-69.141.8.150-20130126071518

http://www.reignofgaming.net/blogs/a-different-view/diff-the-ender/22934-damnation-how-many-souls-does-thresh-need

Excellent info on Thresh, Riot's explanation of how much AP/Armor you get per soul is either slightly off or rounded off compared to in game values.

This article even compares how many souls you'd need to compare to other similar champs at varying levels.