Any floor in the lowest section of the Mines (levels 81-119), excluding elevator floors, has a 3.5% chance of generating as a mushroom floor, provided the same floor hasn't been generated as a mushroom floor before on the same day.<ref name="mushfloor" /> | Any floor in the lowest section of the Mines (levels 81-119), excluding elevator floors, has a 3.5% chance of generating as a mushroom floor, provided the same floor hasn't been generated as a mushroom floor before on the same day.<ref name="mushfloor" /> |