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Cross-Species Switches are a type of transfiguration that is caused when Transforming Spells are modified in certain ways[1]. They are presumably a type of Switching Spell that changes certain aspects of different species and may therefore be Trans-Species Transformation.

The fourth year transfiguration students at Hogwarts School of Witchcraft and Wizardry were given homework on Cross-Species Switches, as listed below:

  1. Describe, with examples, the ways in which Transforming Spells must be adapted when performing Cross-Species Switches[1].
  2. If bodyweight is A, viciousness is V, intended transformation is T, wand power is W and concentration is C, and assuming T=(WxC)/(VxA)xZ then what does Z equal?[2]

Appearances

Notes and references

  1. 1.0 1.1 Harry Potter and the Goblet of Fire - Chapter 22 (The Unexpected Task)
  2. Harry Potter and the Philosopher's Stone (film) - Scene 14 (Potions and Parcels)
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