Healing

Healing is an ability used by Angels to repair the physical damage of others, usually humans.

Episodes

10.18 Book of the Damned

Castiel heals Charlie of her wounds at her request.

12.23 All Along the Watchtower

After seeing that Dean is hurt, Castiel heals him of all injuries.

13.18 Bring 'em Back Alive

Seeing that Gabriel is severely damaged due to Asmodeus's torture, Sam ask Castiel to heal him, but he is unable to as lower Angels can not heal Archangels.