Introduction: In 2027, an island shrouded in blood-red fog emerged from the Pacific鈥擥ehenna, a forbidden land where no one returns. Billionaire ex-soldier Gustav Fernandez, feared as the ruthless leader of a deadly militia, has a single goal: saving his dying daughter. Believing Gehenna holds the cure, Gustav assembles his family of elite soldiers to brave the horrors of the unknown. Armed with superhuman abilities from a demonic fish caught near the island, he leads his team into a realm of ancient secrets, mythical beasts, and deadly schemes. But in Gehenna, survival is a battle鈥攁nd salvation comes at a cost....