Attack enemy NPCs and bosses with Skills (excluding Super Attacks) to charge the Regeneration Gauge. The Regeneration Gauge will deplete as it heals your base HP.
If the gauge is at a certain amount when you are knocked out, you will revive.

A physical attack.

Fire energy blasts in succession. Enemy heroes hit will be afflicted with Movement Speed Down.
You can move and change direction while firing.

Lunge forward with a piercing attack. Enemy heroes hit by the attack are forcibly moved.

Sweep the area around you with a horizontal slash. Continuous Damage will be applied to enemies hit by the attack.
Energy blades are unleashed outward along with the sweep.
Can move while using this Skill.

Drop an energy blast down on yourself.
Gain Immune to All.
A Movement Speed Down area is created at the point the energy blast impact, with the effect increasing more and more toward the center.