Critically wounding a target or breaking their shield infuses your melee attacks with Arc energy and increases your melee range and damage for a short time.

Defeating targets with melee attacks makes you amplified and restores a portion of your health. Defeating more powerful combatants increases the amount of health restored.

Knockout

Critically wounding a target or breaking their shield infuses your melee attacks with Arc energy and increases your melee range and damage for a short time.

Defeating targets with melee attacks starts health regeneration and makes you amplified.

Destiny Definitions Archive

"Knockout" diff