On arriving from the mists everyone suddenly sprouts the MOST MAGNIFICENT BEARD. (regardless of gender/race or logic).
If a character already has a beard it goes from a 5 to a 11. Nearby is a welcoming Inn, a warm port in the gloom and indeed the people inside are jolly, almost all dwarven (but then again it’s hard to tell) and every, single, one is also sporting the most amazing beards. As a DM a lot of time is given into describing how lovely the beards are, WIZ saves are needed to avoid falling into being entranced to stroke, braid, caress, and lavish their beards and that of each others – each of the party beliving theirs is of course the best!

Under one of the tables were they to investigate they will find a blond haired elf curled in a ball and crying to himself. He too of course has a beard. He appears to be a ranger and will scream and tear at his beard.. but it just keeps growing back!

This is a clue, the party are safe to stay as long as they want, drinks are plentiful but over time they may learn that they are illusionary making it impossible to get drunk as they remain the beard talk gets more intense.. describe it almost in a manner that crosses the line into bad erotica. Get into it because of course there is only one way out of this realm – they must CUT OFF THEIR BEARD. Nothing else will work. If they fireball the taven the flames will cause chaos but the Taven itself will not burn.