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Glass to sand shield is a Transforming spell that causes any glass that comes within a certain radius of the caster to be transfigured into sand. It looks blue, almost like water, and surrounds the caster in a half-circle.

Known uses

Glasstosand

Effect of the Shield (Glass into Sand)

Possible uses

If the possibility is that it can disintegrate everything that passes through, then it is possible that this spell was used along with Protego Maxima to protect Hogwarts Castle. If this is the case, this spell's incantation is either Repello Inimicum or Fianto Duri.

Behind the scenes

  • This spell only appears in the film adaptation of the Duel in the Ministry Atrium.
  • As glass is made principally from sand to begin with, the actual purpose of this spell may be more along the lines of disintegration, or transfiguration into a simpler state, rather than specifically glass-to-sand but it is possible that because glass is made from sand the shield simply reverts something from its current state back into what it was made from (making it similar in function to the Reductor Curse).

Appearances

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