Add 2 to the bearer's Wounds characteristic. In addition, in your Command phase, you can remove one Warp counter the bearer's unit has. If you do, the bearer regains up to D3 lost wounds.
Modifiers:
append annotation Periapt of the Righteous in model-or-unit.self.entries.recursive.Character.profiles.Unit
increment W 2 in model-or-unit.self.entries.recursive.Character.profiles.Unit