monster

White Maw

CR 10

Gargantuan Ooze, Chaotic Neutral

Reveal Stat Block

Armor Class

Hit Points

217 (14d20 + 70)

Speed

10 ft.

str

dex

-5

con

int

wis

cha

-4

Traits

Amorphous Form.White Maw can occupy another creature's space and vice versa.

Corrode Metal.Any nonmagical weapon made of metal that hits White Maw 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 White Maw is destroyed after dealing damage. White Maw can eat through 2-inch-thick, nonmagical metal in 1 round.

False Appearance.While White Maw remains motionless, it is indistinguishable from white stone.

Killer Response.Any creature that starts its turn in White Maw's space is targeted by a pseudopod attack if White Maw isn't incapacitated.

Actions

Pseudopod.mw 8 to hit, reach 10 ft., one target. ({@damage 4d8 + 4) bludgeoning damage plus 9 (2d8) acid 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.

White Maw

A colossal mimic that has assumed the form of an entire cavern or room, waiting to swallow adventurers whole. Its massive teeth line the walls of its deceptive gullet.