Spirit guardians

Spirit guardians was a spell used by clerics.

Effects
When cast, this spell summoned several spirits who protected the caster. They remained within 15 feet (4.5 meters) of the caster. The spirits matched the alignment of the caster. During casting, the caster could choose which creatures within the spell's area of affect would be unaffected by the spell. Otherwise, creatures within the area of effect slowed down and also suffered radiant or necrotic damage.

Components
In addition to verbal and somatic components, the spell required a material component, the caster's holy symbol.