Frozen orb is an amazing spell but it is completely lack luster when you get above 3 players in Hell. I have top of the line gear and with the terrible Cold Mastery / Sunder interaction, 1 sec global cooldown and low damage in general… it could use a buff. Whether its an added synergy, no more mastery / sunder interaction, or global cool down cut in half.
Nova Sorc and Fireball sorc do insane damage, with zero casting delays. Blizzard has a blind spot where sometimes doesnt even connect.
So please fix or buff Frozen Orb.