Purple WormGargantuan monstrosity
Tunneler. The worm can burrow through solid rock at half its burrow speed and leaves a 2-meter diameter tunnel in its wake.
Bite (1/turn). Melee Weapon Attack: +14 to hit, reach 2 m. Hit: 22 (3d8 + 9) piercing damage. If the target is a Large or smaller creature, it must succeed on a Difficulty 22 Reflex saving throw or be swallowed by the worm. A swallowed creature is blinded and restrained, it has total cover against attacks and other effects outside the worm, and it takes 21 (6d6) acid damage at the start of each of the worm’s turns.
If the worm takes 30 damage or more on a single turn from a creature inside it, the worm must succeed on a Difficulty 20 Fortitude saving throw at the end of that turn or regurgitate all swallowed creatures, which fall prone in a space within 2 meters of the worm. If the worm dies, a swallowed creature is no longer restrained by it and can escape from the corpse by using 4 meters of movement, exiting prone.
Tail Stinger (1/turn). Melee Weapon Attack: +14 to hit, reach 2 m. Hit: 19 (3d6 + 9) piercing damage, and the target must make a Difficulty 19 Fortitude saving throw, taking 42 (12d6) poison damage on a failed save, or half as much damage on a successful one.
No concoctions, maneuvers, or spells
All creatures in this system should have maneuvers or spells. You should add some maneuvers or spells to this creature. If you do so, please make a suggestion on github so I can finish adding maneuvers and spells to all creatures via https://github.com/mlenser/kryx-rpg-issues/issues/9.