Gray Ooze

Any nonmagical weapon made of metal that hits the Gray 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 that hits the Gray Ooze is destroyed after dealing damage. The Gray Ooze can eat through 2-inch-thick, nonmagical metal in 1 round. Foundry Note You can apply the Corroded Weapon enchantment to a weapon, granting it a cumulative -1 penalty to damage rolls each time the enchantment is applied.

While the Gray Ooze remains motionless, it is indistinguishable from an oily pool or wet rock.

The Gray Ooze can move through a space as narrow as 1 inch wide without squeezing{Squeezing}.

+3 to hit, range 5 ft. Hit: 4 (1d6 + 1) bludgeoning damage. If the target is wearing nonmagical metal armor, its armor is partly corroded and takes a permanent and cumulative -1 penalty to the AC it offers. The armor is destroyed if the penalty reduces its AC to 10. Foundry Note You can apply the Corroded Armor enchantment to a suit of armor, granting it a cumulative -1 to the AC it offers each time the enchantment is applied.