Myomancy was a form of divination that involved rats and mice.[1][2] Marcus Minugius Myomancer, a shop in Diagon Alley presumably owned or founded by Marcus Minugius, apparently offered myomancy readings and/or supplies.[2]


Notes and references

  1. "Myomancy" on Wikipedia
  2. 2.0 2.1 Harry Potter and the Chamber of Secrets (2016 illustrated edition)