In Sixteen (35), Gatsu says to Balak that he can still save Edel with his power and the Bureau's medical technology, but he'll have scars because all they can do is just reattaching his tissues and stitching him up.
In A Catnap (15), Balack (Balak) says to Monkey face and Mole face that he'll take the other arms first and give them back once he tear them up. Gatsu says to Balack that he'll unconfines the arms from the flat surface and give them back to them. Gatsu healing to Monkey face and Mole face. Gatsu says Mole face can take care of the scar from the Medical Department.