Mastery set is worse than exc. ๐ but yea, fighting IK wit IK, exc with golden fen + guardin +1 set does bigger dmg to mastery set while equiped gold fen and demon +1. So we can make some conclusions here. ๐
PS
This is new balance and need redo something. Cant play same equipment which played before balance. Need to find best build to every set. ๐