Vyukris's Flash

As a bonus action, a bright flash erupts from the eyes of the caster. Up to 3 targets in a 30 foot cone must succeed on a Wisdom Saving Throw, or become Blinded until the start of the casters next turn.

The number of allowable targets increases by 1 at 5th, 11th, and 17th level, with a maximum of 6 targets.