As mentioned, the next floor is actually a flat roof, from which two towers stand out.

I expect my players to set their quarters there (the towers count 7 room -I initially was shooting for 6- for 6 players), I guess they can do grilling there on the 4th of Flamerule...


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The next floor is pretty much more of the same thing...
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I am planning on introducing these during next Saturday's session.