The Obelisk of Mentas

From publisher blurb: We told them we sought the secrets of the god Mentas. They told us we would need hats, which didn't really make sense until we saw the obelisk. Vultures have taken over the entire region, using their vile excrement to profane the god and all he stood for. Now, if we truly wish to understand a long-dead god, we'll have to climb... This is a system-agnostic dungeon designed to slot easily into whatever kind of campaign you might be running. Use it as a random settlement, a random wilderness encounter, or a challenge to overcome in exchange for knowledge the party seeks.