You have good and evil clerics in the lands (look at the flint ones). Perhaps it's an idea that acolytes and vicars can heal others in a chapel/centre. Could say that the good ones heal good people, and the bad heal kampfer (and other bad people). Perhaps you need proficient before they do that to you.. and if you kill a evil acolyte the good one will heal you, unless you killed one of them recently too.
Just an idea that came up looking at the new update at the white castle