Erratic Hammering

When you cast erratic hammering, for the duration of spells with the ritual tag that are cast within 1000 ft are disrupted and can't be cast until Erratic Hammering stops, If you hold the erratic hammering it's entire 3-hour duration you must make a DC 10 con save, on success nothing happens, on failure you spontaneously create one piece of medium furniture of your choice and take 1 level of exhaustion..