Erase me

10th-level Abjuration
Casting Time: 8 hours
Range: Planetary
Components: V, S, M (an artifact symbolizing reality's
fabric, which the spell consumes)
Duration: Permanent
You perform a ritual to erase a specific type of magic,
curse, or effect from the entire planet. Effects include:
Global Disjunction: All spells and magical effects
of a specific school (e.g., Necromancy) are
permanently dispelled and cannot be cast
Curse Eradication: A specific curse or affliction
(e.g., lycanthropy) is removed from all creatures
on the planet.
Selective Memory Wipe: A specific event or piece
of information is erased from the memory of all
sentient beings.
After casting this spell, you may choose to erase
yourself from existence, ascending beyond the mortal
plane or becoming a guardian of reality.e