Knockdown
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Fortress in the Eye of Time
C. J. Cherryh
Fortress (1)
The Ebon Knight
James Wood
The Chronicles of the Ebon Knight (1)
Two Necromancers, a Fortress, and a Titan
L. G. Estrella
The Unconventional Heroes Series (5)
Immortal: Curse of the Deathless
Derek Edgington