Whirlwind

Whirlwind is skill that can be aquired from the Dual Wielding mastery. It requires you to be mastery level 1. Whirlwind spins you around and deals damage to surounding enemies. Combined with the life steal stat this skill can be quite good. The long cooldown however prevents your from spamming it.

All Level stats
Here is a list with the stats for each level for Whirlwind.