He brought up a hand to rub his face and stopped short. His skin was...marked. Green lines of energy spiraled his hand like veins. Or were his veins...glowing?
He gasped and fumbled through his pack, pulling out a small mirror. It was with shaky hands that he held it up to behold his own reflection.
The same glowing green was spiderwebbed across his own face, and this time, he was certain it was his veins. His very blood had been altered. His eyes, normally so brown they were black, were now a poisonous green hue.
—From The Voice, an entry in the Tome of CHAOS