Obsidian (Alex Caine, Band 2)

Only light can drive out the darkness. Enlisted into a clandestine operation to head off an impending doom foreseen by the Seers, and pursued by a deadly enemy, Alex Caine is caught in a vortex and pulled through to a strange lost city, isolated in the void. Trapped in a place removed from everything they know, ruled by a hierarchy of monsters, Alex must find a way to escape OBSIDIAN.