You create a wall of lightning bolts within range.

The wall is up to 20m long, 6m high, and 30cm thick. When the wall appears, each creature within its area must make a Dexterity saving throw, taking 5d6 Lightning damage.

Critical Success (+10). The target is unaffected and they move 2m to the side of the wall of their choice.
Success. As critical success, except the target takes half damage.
Failure. The target takes full damage and you push them 2m to the side of the wall of your choice.
Critical Failure (–10). As failure, except the target takes 1.5× damage.

Whenever a creature moves through the wall, it must make a Constitution saving throw, taking 5d6 Lightning damage and potentially becoming

Paralysed

Critical Success (+10). The target is unaffected.
Success. The target takes half damage.
Failure. The target takes full damage, moves to the other side of the wall, and is Paralysed until the end of their next turn.
Critical Failure (–10). The target takes 1.5× damage, is unable to move through the wall, and is Paralysed until the end of their next turn.

At Higher Levels. The damage increases by 1d6 for each spell level increase.