Avoid the Pirate Lair until you’ve backed up your save. Great game, terrible technical ghost.
In the “Pirate Lair” area (near the end of Chapter 2), there’s a well-documented, game-breaking bug where interacting with certain objects—most notably the magic map or the door to the final pirate boss —fails to trigger the next cutscene or transition. Your character may also get stuck in “combat mode” after defeating all enemies, making it impossible to leave or progress. Jade Empire Pirate Lair Bug
Here’s a concise review of the Jade Empire “Pirate Lair” bug, written as if by a player encountering it during the game. Jade Empire – Pirate Lair Bug Review: A Frustrating Anchor on an Otherwise Smooth Voyage Avoid the Pirate Lair until you’ve backed up your save