Undeath Nova

This spell was first made during an attempt to raise an entire army from the dead by necromancers whose names were taken with them when the spell killed them, only the lich that they served survived the spell, however, a strange group of druids used a powerful spell that has erased even that lich and the undead army from this world.

A sphere of negative energy ripples out in a 1000-foot-radius sphere from a point within range. Each creature in that area must make a Constitution saving throw. A target takes 20d20 necrotic damage on a failed save, or one-quarter as much damage on a successful one.

The Dracolitch skull is not consumed on use, it is a catalyst and focus for the spell.

When cast as a ritual, the spell will be centered on the skull and will be dispelled if the skull is broken or severally damaged.

All corpses in the spell's area of effect will be brought back as undead.