Sigh and use NINJA SKILLS to meditate and get a clear head.
Read what it says on the plaque you pulled off the wall you tried to demolish. Examine it thoroughly, especially for possible ways of restoring the unreadable text.
Also, try to remember what time of day it was when you entered the maze and how much time has passed since then, or, more specifically, what time it is now. Although that might be hard to remember, having fallen unconscious a lot and stuff.