BloodLust give a buff for every crit or enemy killed this buff stack 8 times if use this skill you will receive an heal, bigger the stack bigger the heal.
Mocking Shout this skill aplies a slow and reduces atack power to every enemy that is turn back to you.
Spinning Slash it gives some demage but his real use is to reach the enemy or cross walls.
Undying Rage when you activate this skill you cant die for a some seconds even if you are without hp, it also gives you some BloodLust stacks.Use this wisely.(Tip dont use Undying Rage when you are half life use just when you are almost dead)