The Knight's Tomb

Hint: Just where is the knight's tomb?

Nested hint: How do I get in the tomb?
(sorry, cannot decode section)
Hint: Where are all of the locations in the tomb?

Nested hint: How do I open the grate outside?
(sorry, cannot decode section)
Nested hint: What do I do with the dead knight?
(sorry, cannot decode section)
Hint: What do I do after I get the ring?