Trickster Knight's Arrow

You tap your palm with the sphere and launch an arrow that crackles with deadly energies. Choose one creature you can see within range, all creatures within a 5 feet sphere of the target are also considered targets. The target must succeed on a Dexterity saving throw or take 4d8 necrotic damage.

Higher Levels. This spell’s damage increases by 2d8 for every spell slot above 2nd.