Within the fortress walls lie dangers just as deadly as the enemies swarming outside. The Pathfinder Flip-Tiles: Fortress Chambers Expansion provides beautifully illustrated 6 in. by 6 in. map tiles that can be used to expand your fortresses with a variety of throne rooms, barracks, armories, and more. Inside, you'll find 24 richly crafted, double-sided map tiles. This expansion set, along with Pathfinder Flip-Tiles: Fortress Starter Set, allows you to create customized fortress maps quickly! So stop your sketching and start your flipping today. Suitable for experienced GMs and novices alike, this product fits perfectly into any Game Master's arsenal. Wet, dry, and permanent markers erase from the tiles! These double-sided dungeon tiles come in convenient packaging for easy storage. Add some peril to your wilderness!