Brachavyrm

Twenty-foot long segmented worms with slime-coated bodies and sharp-toothed maws, their midsections split into two tails ending with wicked stingers. These solitary predators hunt mortal humanoids, with each consumed victim causing a pair of arms to sprout from their bodies.

Bite: piercing, melee 5 ft, +2 to hit, 1d10+5, 1d10+5, 1d10+5, 1d10+5. Web Spray: elemental, 15-ft cone, save Con Tough, damage + ongoing 1 round, cooldown 2 rounds. Swallow: control, 5 ft, target must be held + size threshold, on success: ingested, ongoing harm, regurgitates on threshold, cooldown 3 rounds.

Body Arms. Spider Climb: movement, adheres to walls and ceilings, climbs at normal speed, grease-like effects negate. Senses: Blind Sense (sees without eyes, vibration, 30 ft); blind to sight.