Shiropyr is a shamanic spell which was written into the Book of Kagetsu by Kagetsu Aurelac de Maar Sul for the Andain to use. It's a very powerful version of the more mundane pyr spell and can't be protected against. However, casting it requires tremendous lifeforce and time and skill, which means it's often used by beings of great power like Andain and the gods. It thus is fatal to any mortal who succeeds in casting it, the most notable example being Hiroshi Hayabusa who cast the spell to kill Taro Ofuchi and lost his life too in the process. Unlike the weaker Kuropyr variant, Shiropyr is Light-based. It is activated by uttering shiropýr.
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