This level culminates in the final sequence where you chase the Princess through a burning castle. The entire sequence plays out in reverse. You'll see the Princess escaping, setting traps, and activating mechanisms that, from your perspective, are being undone. The final puzzle piece is often found near the end of this sequence, requiring you to be in the right place at the right 'reverse' time. The true challenge here is not mechanical, but narrative. The game reveals its twist through this reverse sequence, so focus on the story being told through the Princess's actions and the environment. There are no traditional 'bosses' in Braid, but this final sequence serves as the narrative climax.
