Hammerdins can kill every monster in the game with hammers except for 1 monster in act3.

I use my Orb/Fireball sorc to rush people in Norm and Nightmare. Then I switch to my enigma hammerdin to rush hell. If you want to make the most powerful build in the game then build a hammerdin. I know some people despise them but the simple fact is, they kill tough hell monsters faster than anyone.