"Hear me – Poseidon, god of the sea-blue mane who rocks the earth! – Homer, The Odyssey​

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Poseidon is bored. The former god of the sea drifts through the world on his sailboat, The Sea Blue Mane, longing for something—anything—interesting to do.

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When his nephew Hermes and the ever-calculating Athena uncover evidence that Sei's lost trident may have resurfaced, the trail leads to a hidden island cloaked in perpetual storms. There, an enigmatic sea nymph named Calypso rules a society of the eternally young, sustained by miracles she alone can grant. 

 

To reclaim his three-pronged darling, Sei must infiltrate Calypso’s paradise, navigate ancient grudges, and navigate a series of brutal Trials inspired by The Odyssey itself, his least favorite book. But as he uncovers the truth behind Calypso’s island, Sei is forced to choose—vengeance or mercy?