lighting hallway

She let out a howl of frustration. The head of her ax was smeared with black fluid, and as it ran across the steel, flickers of silver fire appeared in the shape of more strange runes. "Wizard!" she bellowed. "Give me light!"
I was already on it, holding my amulet high and behind my head, ramming more will through the device. The dim wizard light flared into incandescence, throwing strong light at least a hundred feet down the long gallery—and drawing a shriek of pain and surprise from the grendelkin.

Side Jobs, Heorot, Page 138