When a player who has Adventure Item - Torch steps on this, their torch is used up to light all braziers for 10 seconds. While it's lit, all the Adventure Barriers in the world move in or out, just for that player.
Adventure Brazier price in Growtopia: sells for about 7 WL (median of 1 offers from community Discords, past 30 days). Live price chart and the latest buy and sell offers.
Recently sold at: RIVIT, THENASTUFF