Source: Player's Handbook

Evocation cantrip

Casting Time: 1 action
Range: 120 feet
Components: V, S
Duration: Instantaneous

A beam of crackling energy streaks toward a creature within range. Make a ranged spell attack against the target. On a hit, the target takes 1d10 force damage.

At Higher Levels. The spell creates more than one beam when you reach higher levels: two beams at 5th level, three beams at 11th level, and four beams at 17th level. You can direct the beams at the same target or at different ones. Make a separate attack roll for each beam.

Spell Lists. Warlock