Check your map, I think you are mis-remembering
"I see that you may be potential customers once you raise a little more money, so I would be happy to oblige. Do not go into the room just north of here - I keep a manticore in there to sick on anybody that may attack me. Nasty beast, but very effective. The stairs to the lower levels of the dungeon are in the North West corner. Not sure what else is around, nobody seems to bother me. I don't think there is anything a party of your size could not handle"