Dance of The Culling

This spell channel a huge necrotic energy into the ground and rippling to the land summoning an biological body buried underground turning them into undead, there are two possible uses for the spell, granting either immediate or long-term benefits.

If you cast this spell using 1 action, choose a point within range, within 150 ft of you, if that area have at least 6 remain of humanoid, beast, fey, and/or monstrosity creature, it will reformed into a 4 pair dancing skeletons that dancing in circle creating a 20 ft. radius zone of necrotic area filled with eerie aura and dirge, all creature inside the area must make a Wisdom saving throw at the beginning of their turn, on failed save they take 2d4 psychic damage and become frightened until the leave the area. The spell last for 1 hour or until all skeleton (AC:15, HP:15) is destroyed.

If you cast this spell as a ritual for 18 hours, you will extract every weave of magical necrotic and pour it into the land. corpses humanoid, beast, monstrosity within 1 mile and only been died less than 1 year will turn into zombie and crawl out of the ground, they will retain their alignment while a live and have a life span of 1 years before they died once more.