Heartless Edge is one of Gandharva's unique transcendental skills. It has a resurrection and water alignment.
It manifests as an ice blade which can change shape.
Partial sura form is required. Gandharva is able to use it in the human realm.
Heartless Edge consumes a lot of vigor. But Gandharva's normal vigor recovery speed is high enough for him to not feel the burden even after hours.
Attacking with Heartless Edge
Heartless Edge through insight
changing shape
Plot[]
Gandharva used it to attack Agni.[1]