The Fortress of Anarchy is the end of TCC Part 1 and the entrance to the VOID. You must now go back to the entrance door and SAVE your game in the first SAVE slot (.000). After saving your game, cick on the door.Then, read the direction for installing oart 2 CAREFULLY and install Part 2. If done right, you shoud be trsported to a wide sea with alot of Water Elementals who are guarding five fountains.
You must in, Part 2, pay particular attention to your autonotes as they are the only guidance you will have. When you have killed the elementals in front of the central fountain click on it and read you autonotes, then proceed from there.