Excerpt: Magician's Tower

“The Darkening Curse,” the white wizard breathed. “So the rumors are true.” He was also staring into the shadow, his eyes lit from within by an inner light, pale and pure as the sky at dawn. “You’ve perfected it? After all these years…”
The disembodied voice that answered echoed throughout the room. “That,” it said, “is what I have come to test.”