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Gelatinous Cube

No. Appearing: 1
Armour Class: 11
Hit Dice: 4+4
Attacks: Pseudopod 2d4
Nat 19: the target is sucked into the Cube (Luck (Dex) save resists).
Attributes: S:18 D:10 C:16 I:2 P:14 W:16 Ch:1
Luck: 7
Move: 30 ft and may climb walls, ceilings, etc

Gelatinous cubes are highly translucent, jelly like monsters that expand to fill a 10 ft cube, which happens to fit most dungeon corridors. They automatically sense movement within 120 ft and are voracious predators, absorbing and dissolving all forms of organic matter. They are sometimes employed by lazy dungeon lords as inexpensive cleaners. A creature that touches the cube must make a Luck (Con) save or be paralysed for 1d6 hours, during which time the victim is completely dissolved. A creature caught inside a cube automatically suffers 2d4 damage every round, but may spend an action to make an opposed Str check to escape (if not paralysed).