Help: Aura of Healing Usage sling 'aura of healing' Available Curist level 22: Aura of Healing. Heretic level 22: Aura of Healing. Fanatic level 22: Aura of Healing. Aura of Healing is the group version of Heal. It applies the normal Heal effect to valid group members instead of only one target. See Also: heal, aura of rejuvination, group skills