There are a couple of errors in the referencing - paragraph 2 should lead to 6, and 12 to the whatever is the first reference in the building - I assume 5, although there's no indication that you came in from outside. The two diagrams for the combats really should have squares rather than rectangles and some sort of icons - ideally coloured ones - would be a big improvement over the letters. The potential twist at the end is my favourite part.