Binding Light

A beam of light in a line 100 feet long and 5 feet wide blasts out from you in a direction you choose. Each creature in the line must make a Dexterity saving throw. A creature takes 3d6 radiant damage on a failed save, or half as much damage on a successful one. Reducing the affected target's movement to 0 until the start of your next turn.

At Higher Levels. When you cast this spell using a spell slot of 2nd level or higher, the damage increases by 2d6 for each slot level above 3rd.