Alex Caine, a fighter by trade, is drawn into a world he never knew existed - a world he wishes he'd never found. Alex Caine is a martial artist fighting in illegal cage matches. His powerful secret weapon is an unnatural vision that allows him to see his opponents' moves before they know their intentions themselves. After a fight one night, an enigmatic Englishman, Patrick Welby, claims to know Alex's secret. Welby shows Alex how to unleash a breathtaking realm of magic and power, drawing him into a mind-bending adventure beyond his control. And control is something Alex values above all else.

The thrilling sequel to the best-selling Bound. Alex Caine is looking for direction and trying to build a new life with his recently acquired magical talents, and Kin girlfriend, Silhouette. He is recruited by a secret organisation to head off an impending doom, foretold by Seers as already somehow linked to his destiny. Claude Darvill is desperately trying to get in touch with his father, Robert Hood. When the company, Black Diamond, reveals that Hood had gone missing after chasing Alex Caine, Darvill takes over control of Black Diamond and starts hunting Caine himself. Alex and his crew close in on three amateur mages in Britain's north, who think they have uncovered ancient magic that will reveal great powers. But they are 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 and his friends must find a way to escape Obsidian.

The past often catches up with you, but when it's Alex Caine's past the results can be deadly. Alex Caine has been suffering the weight of the world, and some days it's hard to even get out of bed. Alone one night, a band of Fey overwhelm him and steal him away from the mortal realm. Silhouette, desperate to save her lover, calls in Armour, but the organisation seems reluctant to help. Claude Darvill, his fragile alliance with Alex at an end, is still searching for the remains of his father, Robert Hood. In frozen wastes of Iceland, Darvill is driven by a deep-burning grudge and a need for revenge. His efforts are backed by all the considerable resources of Black Diamond Incorporated. Silhouette must overcome her greatest fears and use all her skills to locate Alex. But even if she can find him, that's only the start of their problems. In this third Alex Caine book, sequel to the bestsellers Bound and Obsidian, old enemies and new share a common goal. Alex Caine hates to be the centre of attention, but he and Silhouette need to pull together as the world is threatened once more and only Alex can save it.