Equipped HP Champion Ironclad with a 4 piece all Five Star set of Curing but unable to claim the Challenge reward.  The challenge text says to equip a “Healing” that restores 10% of HP each turn, which would be the Curing set and I am unaware of a Healing set existing.   Tried equipping the Curing 5* set on other HP champion Lamellar but still could not claim reward.  Please advise if I have this wrong or if there is something I need to do.