12 gems with staff & picking up all the socket bonuses
2816 dmg, 126 pen, 23.91% crit, 963 res, 24724 hp w/o firestone & armor
2849 dmg, 126 pen, 23.26% crit, 959 res, 24574 hp w/o firestone & armor
Good information but i'm probably not going to add full offensive stats onto the main thread.
Just going to leave it at possible spell penetration alternatives