A Game of Universe

Eric Nylund's Cyberpunkish novel about a mage assassin with multiple personalities.

Tropes used:
 * Celestial Deadline: The contract with the devil has a loophole: One year before it runs out, 13 heroes can be recruited to find the holy grail. If they find it before the contract runs out, the contract is nullified.
 * Cyberpunk
 * Deal with the Devil
 * Deflector Shields
 * Faster-Than-Light Travel: They use some odd system where they can travel faster than light but relativity still applies.
 * Freudian Excuse
 * God Was My Co-Pilot:.
 * Through the Eyes of Madness: Are the other personalities magically created or is Germain nuts?
 * Journey to the Center of the Mind
 * Magitek
 * Meaningful Name: Morning Star (Lucifer)
 * Mega Corp: Morning Star, again.
 * Mental Time Travel:
 * Murder, Inc.: Umbra Corp.
 * Public Domain Artifact: The big one: The Holy Grail
 * Reset Button
 * Religion Is Magic
 * Ripple-Effect-Proof Memory: Averted,.
 * Sharing a Body
 * Starfish Aliens: One alien is a hive of beetles.
 * The Syndicate: Umbra Corp.
 * The Worm That Walks
 * Timed Mission: One year.
 * To Hell and Back