Death lightning (GT)

As an action, you can summon a 15-foot bolt of black lightning from the sky, embured with the power of death. Each creature in the selected location must make a Dexterity saving throw of 16 or higher, taking 5d8 damage on a failed save, or half as much damage on a successful one.

Range of 60 feet from caster.

This damage increases to 6d8 when you reach level 12.

Once you use this feature, you can’t do so again for 24 hours and until you finish a long rest.

The target(s) hit contract the Deathblight disease and will slowly die within the duration of a 1d100 days. Causing black root and thorns to erupt from the skin of the victim covering their entire body.