"As far as I can tell, there was a lot of magic involved, and it seems to be the bad kind, indigenous to the region, that requires sacrifices to fuel it." Crow then pauses for a moment to think and continues, with a straight face, "As to what it was, as improbable as it may sound, my "professional" opinion would be Big Foot."
Then, speaking directly to Flak, "That pyramid was probably used for human sacrifices in the 5th world, so odds are it's full of bad energy. I would suggest not getting close to that before investigating everything else, and then we would have to be on high allert."