Divine Aura

This is a Paladin class feature.

Your divine presence has an overwhelming effect on you and your companions. You may choose one Divine Aura:

Aura of Protection	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).
Aura of Courage	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.
Aura of Vitality	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 `1d6` hit points.
Aura of Purity	You and friendly creatures within 5 meters of you can't become diseased, has resistance to poison damage, and has advantage on saving throws against curses, reductions to ability scores, reductions to hit point maximums and effects that cause any of the following conditions: Blind, charmed, deafened, frightened, paralyzed, petrified, poisoned, and stunned.