you have exited warfang into the ancester's city. now you must find the four keys. three are held by dragon statues, and the last one is on a snake alter. when the crystal is claimed, the platform begins to collapse. a bulder falls on cynder's tail, pinning her to the ground and preventing your escape. when you go to free her from under the bulder, the floor beneath her collapses, freeing her, but forcing you to dodge a moving wall. when you return to the gates, they open and you go to a platform, the start of chapter 5-warfang's offensive.