User blog comment:Emptylord/Custom Champion - Yaga the Stray Little Witch/@comment-5523473-20120919153153/@comment-5523473-20120921111656

At 30 MR, ~23% damage reduction. To do 30 bonus damage, Yaga must have 39 bonus damage. Scaling is 1.3 per MR.

I feel like I messed up that calculation lol, not thinking straight. Handed in a big assignment today, that's my excuse.