A line of roaring lightning 20 feet long and 5 feet wide emanates from you in a direction you choose. Each creature in the line must make a Dexterity saving throw. A creature takes 2d8 lightning damage on a failed save, or half as much damage on a successful one.If, a target fails this save by 5 or more,they become stunned until the end of your next turn.Constructs have disadvantage on the save against this spell.

At Higher Levels. When you cast this spell using a spell slot of 3rd level or higher, the damage increases by 1d8 for each slot level above 2nd.