Doomsday Scavenger: Ocean King

Earth is drowned by a global tsunami. Stranded, a lone survivor awakens a god-tier loot system! By digging in the sand, he unearths epic supplies and tames lethal sea leviathans. From a doomed castaway, he rises to crush greedy warlords, conquer the merfolk, and forge a new ocean empire. In this watery hell, he is the absolute king!