Berserker Rage

Berserker Rage is a Weapon skill, found in the Two Handed Skill line.

Berserker Rage
150 Ultimate Target: Enemy Base Skill: Berserker Strike
Strike at an enemy with a vicious blow, dealing 3600 Physical Damage to them and all nearby enemies. This attack ignores the target's Resistance and grants you Physical and Spell Resistance equal to the amount ignored from the initial target for 8 seconds. You are immune to all disabling, snare, and immobilization effects for the duration.

Berserker Rage is a morph of the Berserker Strike base skill. The other morph is Onslaught.