Servants of Undeath by the Lights Purity I Repel You.
This spell causes all undead to have to stay ten feet away from the caster for the duration of the spell, so long as the caster has their hand raised.
The healer may cast other spells while this spell is active. The undead may choose to wander off or remain and wait out the duration of the spell but must stay at least ten feet away from the caster, so long as the caster has their hand raised.
If the Undead are closer than ten feet when this spell is cast, they must back up to that distance before they may defend themselves or attack anything else.
If the Healer walks forward the Undead, must continue to walk back, always staying at least 10 feet away.