School: Necromancy
Casting Time: 1 action
Range: 12 foundations
Components: V, M, (5 Obsidian Glowing Gems)
Duration: Instantaneous
Classes: Any — Must have the Advanced Necromancy Research done.

Description:
You send ribbons of negative energy at one creature you can see within range. Unless the target is undead, it must make a Constitution saving throw, taking 4d8 necrotic damage gaining level two Exhaustion on a failed save, or half as much damage only gaining level one Exhaustion on a successful one.