"There were all these mutant skeletons in there, of muggles who'd broken in and grown extra heads and stuff."
Ron Weasley on this spell's usage in the Great Pyramids[src]

Mutatio Skullus[1] was the incantation to a dark charm which mutated the victim's head, causing them to grow extra heads.[2]

Known practitioners

Etymology

From Latin "mutatio", meaning "change" or "mutation"[3] and "skullus", meaning "skull".[4]

Behind the scenes

  • This spell's effects seem similar to the effects of Transmogrify, a spell which also mutates the target.

Appearances

Notes and references

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