We had a cool situation the other day.
The players were holed up in the Elven enclave of Hiri Handia. They wanted to sneak into the undercity/lower quarter without being spotted by House Feketes guards. I prompted them for Stealth Checks but the elven sword singer instead said, maybe there is a secrete passage to the Undercity from within the elven enclave. I was like sure…roll for it.
So he rolled Elven HIstory with Forks from Elven Protector Wise. He tells us a story of a fort from the First Age, that this enclave was built over that was sealed after a great war and that there are spectral guardians that still haunt it. He got like 6 successes - so it was a reality!
Now, when they descended down this fey portal into the ancient fort, they were confronted by a company of elven ghosts, spectral guardians, that wanted Intimidated them to state what their purpose was or be slain. My bladesinger pc then roles Paen of Deeds and forks his reputations and his affiliation to the sword of the white towers. Neither of these are RAW, but it toally makes sense, so I allowed it.