Shadow Blindness

Illusion cantrip (shadow)

Casting Time: 1 action
Range: Touch
Components: V, S
Duration: 1 round

You make a melee spell attack against a creature you touch that has darkvision as an innate ability; on a hit, the target’s darkvision is negated until the spell ends. This spell has no effect against darkvision that derives from a spell or a magic item. The target retains all of its other senses.