Deep Magic Volume 1
Shadow Blindness
0-level (Cantrip) Illusion
Casting Time: 1 action
Range/Area: Touch
Components: Verbal, Somatic
Duration: 1 round
Attack/Save: Melee Spell Attack
Damage/Effect: Debuff
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.
Available for: Warlock, Wizard with Shadow Specialization