Cosmic Reach

   A beam of Cosmic Energy streaks towards a creature within range. The creature must succeed on a Constitution Saving Throw or take 1d8 radiant damage and suffer disadvantage on attack rolls until the start of your next turn.

At Higher Levels.

   This spell’s damage increases by 1d8 when you reach 5th level (2d8), 11th level (3d8), and 17th level (4d8).