Amorphous. The slime can move through a space as narrow as 1 inch without expending extra movement to do so.

Spider Climb. The slime can climb difficult surfaces, including along ceilings, without needing to make an ability check.

Corrosive Form. A creature that touches the slime or hits it with a melee attack while within 5 feet of it takes 2 (1d4) Acid damage. Any nonmagical weapon made of metal or wood that hits the slime 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 slime is destroyed after dealing damage.

Pseudopod. Melee Attack Roll: +4, reach 5 ft. Hit: 5 (1d6 + 2) Acid damage.