Casting Time: 1 action

Range: Touch

Components: V, S, M (holy water or powdered silver and iron, which the spell consumes)

Duration: Concentration up to 10 minutes

Until the spell ends, one willing creature you touch is protected against mental influence, and can't be charmed, frightened, or possessed.  If the target is already charmed, frightened, or possessed, the target has advantage on any new saving throw against the relevant effect.