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

Tropes used:
* CelestialDeadline: 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
* DealWithTheDevil
* DeflectorShields
* FasterThanLightTravel: They use some odd system where they can travel faster than light but relativity still applies.
* FreudianExcuse
* GodWasMyCopilot: [[spoiler:Setebos, the Angel AI]].
* ThroughTheEyesOfMadness: Are the other personalities magically created or is Germain nuts?
* JourneyToTheCenterOfTheMind
* Magitek
* MeaningfulName: Morning Star (Lucifer)
* Mega Corp: Morning Star, again.
* MentalTimeTravel: [[spoiler:Germain's seven second trip. ]]
* MurderInc: Umbra Corp.
* PublicDomainArtifact: The big one: The Holy Grail
* ResetButton
* ReligionIsMagic
* RippleEffectProofMemory: Averted, [[spoiler:Germain has no idea history is being altered]].
* SharingABody
* StarfishAliens: One alien is a hive of beetles.
* TheSyndicate: Umbra Corp.
* TheWormThatWalks
* TimedMission: One year.
* ToHellAndBack