Blinding light

Blinding light was a type of giant rune.

Effects
Once activated this rune gave off a blinding burst of light, similar to the spell sunray, and would turn the first undead that saw it.

Components
Like most giant runes, it required no material components to cast, but the process of shaping it could take anywhere from one to eight hours.

Appearances

 * Novels
 * The Glass Prison