1204: Chateau Galliard

Nested hint: Is there anywhere I can go once I get here?
(sorry, cannot decode section)
Hint: Why am I killed when I try walking along the upper battlement?

Nested hint: How do I get into the main part of the chateau?
(sorry, cannot decode section)
Hint: How do I keep from being detected by guards once I'm in the main tower?

Nested hint: Where is the critical evidence here?
(sorry, cannot decode section)