Sandworm

A colossal monstrosity that dwells beneath the desert sands, with a gigantic maw and a subterranean body, able to swallow everything in its path.

Vitality 72, Protection 12, Defense +1, Resistance +5, Speed 40 feet (burrowing),
Attacks: Bite +5 (1d12+6)

Swallow (+4): A creature it bites is swallowed. Dodge to avoid. Swallowed creatures take 1d8 damage each time initiative returns to their side. If the worm takes at least 12 damage from a single blow, it regurgitates all the creatures it has swallowed.