Hurrican Druid is the best PvP Char in FFA Games with no rules...with some absorb+cyclon armor other elemental chars are no problem. With enough damage reduce (%) he kills easily melee chars.
Just the Bone Necro and a Hammerdin can kill him, but with enough faster cast, nec+pala are history...
But with fair Rules, Orb Sorc+Bow Ama+Barb are the best chars in 1on1.

Why are Zealot, Thunder/orb sorc, frenzy Barb, Meteor sorc in this poll?