You and friendly creature within 5 meters of you gains a bonus to contested checks against them equal to your Charisma modifier (with a minimum bonus of +1) and a bonus to AL equal to half your Charisma modifier (with a minimum bonus of +1).
You and friendly creature within 5 meters of you can't be frightened.
Whenever you or any friendly creatures within 5 meters of you score a critical hit or reduce a creature to 0 hit points, the creature gains temporary hit points equal to 1d6 + your Charisma modifier (minimum of 1 temporary hit point).
The creature's target must also succeed on a contested Will against your spell save DL or be frightened of the creature until the end of its next turn.
You and friendly creatures within 2 meters of you has resistance to necrotic damage, and its hit point maximum can't be reduced. In addition, a nonhostile, living creature regains 1 hit point when it starts its turn in the aura with 0 hit points.
You can use a bonus action to cause you or any friendly creature within 2 meters of you to regain 1d6hit points.