Vitality shift

You touch one willing creature (the donor) and another willing or unconscious creature of the same type (the donee) and transfer vitality from the first to the second one. When you cast this spell, choose the creature that will be the donor, the other one will be the donee. You can inflict a certain number of levels of exhaustion to the donor in order to heal the same amount of levels of exhaustion to the donee. Alternatively, you can end one disease or condition to the donee by inflicting to the donor the amount of exhaustion levels specified in the following list:

Disease - 1 level of exhaustion
Deafened - 1 level of exhaustion
Poisoned - 1 levels of exhaustion
Blinded - 2 levels of exhaustion
Paralyzed - 2 levels of exhaustion