Your essence flows into your weapon so that you and it are one.

Daily   ✦     Elemental, Stance
Minor Action      Personal

Effect: You assume the weapon unity stance. Until the stance ends, your melee weapon attacks can score a critical hit on a roll of 19-20. You also gain a +2 power bonus to opportunity attack rolls.

Published in Heroes of the Elemental Chaos, page(s) 49.