Amorphous: The ooze can move through a space as narrow as 1 inch wide without squeezing.   Corrosive Form: Any nonmagical weapon made of metal or wood that hits the ooze corrodes. After dealing damage, the weapon takes a permanent and cumulative -1 penalty to damage rolls. If its penalty drops to -5, the weapon is destroyed. Nonmagical ammunition made of metal or wood that hits the ooze is destroyed after dealing damage.   Acidic Touch: Any creature that touches the ooze or hits it with a melee attack while within 5 feet of it takes 4 (1d8) acid damage.