Spirit Guardians

Action • Self/15ft • V, S, M • Concentration
10min {bull} WIS Save
You can designate any number of creatures you
can see to be unaffected by it. If affected: speed
is halved, when the creature enters the area or
starts its turn there, it makes a WIS save. If it
fails, it takes 3d8 radiant/necrotic damage. If
succeds the save, it takes half damage. The
damage increases by 1d8 for each slot level
above 3rd.