"scattered audio snippets providing players clues as to what happened at this facility" video game trope but it's repurposed Magic Mouth spells throughout an abandoned wizard tower that your DnD (or similar TTRPG) party is visiting (and expecting to be occupied). The original messages are partially overwritten by frantic, whispered updates on whatever Went Wrong Here
e.g. "Guardians of the tower, arise! Defend your master and his sanct--oh god it got through. It? Them? It's large, but I think there might be one or more handlers. It seems to have defenses against fire in particular. I think…oh shit. Shit!--who cross [so-and-so] will be utterly destroyed!"
near this particular Magic Mouth are several pulverized constructs. ahead is an ornate door, formerly Arcane Locked, now smashed through...










