Find the Ancient Castle. Go to Figaro Castle, then talk to the old man to have him take the castle back to Figaro. When you hit something, choose to stop and explore. Then go up the stairs to the right, and in the next room, go down the stairs to the right. You should be in the jail. Go into the far-right cell and go through the door in the back.
Fort Joy The Hold. Before you start, you need to create your own main character. Divinity Original Sin 2 has 6 Origins, 14 Classes and 5 Races.You can also choose a custom character if you don't like the default origins, but be sure to choose Tags for your customized character, which unlocks special dialogues in the game.