Huge Ooze, unaligned
Armor Class 6
Hit Points 171 (18d12+54)
Speed walk +30, burrow +20
Challenge 7
Skills perception +1
Damage Resistances nonmagic B/P/S attacks
Condition Immunities blinded, charmed, deafened, exhaustion, frightened, prone
Senses blindsight 60' (blind beyond), passive Perception 11
Languages —
Amorphous. Move through space 1ft.+ wide with o squeezing.
False Appearance. While motionless indistinguishable from patch of snow.
Ice Walk. Can move across icy surfaces with o ability check. Difficult terrain of ice or snow doesn't cost it extra move.
Ooze Nature. Doesn't require sleep.
Snow Blindness. When a creature that can see the snow ooze starts its turn within 30' of it that creature is blinded until the start of its next turn (DC 15 Con negates). This doesn't function while ooze is in dim light or darkness.
Snow Burrower. Can burrow through nonmagical snow and ice in addition to sand earth and mud.
Multiattack. Two Pseudopod attacks.
Pseudopod. Melee Weapon Attack: +7 to hit, 15 ft., one target, 14 (3d6+4) bludgeoning damage + 9 (2d8) cold.
Avalanche (Recharge 4-6). Rumbles forward stirring up snow. Moves up to 30' in straight line and can move through space of any Large or smaller creature. 1st time it enters creature's space during this move that creature: 10 (3d6) bludgeoning damage and 18 (4d8) cold and buried in slushy snow (DC 15 Dex half damage not buried). Buried creature is restrained and unable to breathe or stand up. A creature including buried creature can use action to free buried creature via DC 15 Str check. A buried creature with swim speed has advantage on this check.
Source: Tome of Beasts 3 · OGL/Open