b'Clockwork Worm \n'b'  Family:   Clockwork  \n'b'  Gargantuan   construct ,  unaligned  \n'b'  Armor Class  18 (natural armor)  Hit Points  247 (15d20 + 90)  Speed  50 ft., burrow 30 ft.\n'b' STATS STR: 28 (+9) DEX:  7 (-2)  CON:  22 (+6)  INT:  1 (-5)  WIS:  8 (-1)  CHA:  4 (-3)  \n'b'\n'b'\n'b'\n'b'\n'b'\n'b'\n'b'  Saving Throws   Con  +11,  Wis  +4  Damage Resistances  bludgeoning, piercing, and slashing from nonmagical attacks  Damage Immunities  poison, psychic  Condition Immunities   charmed ,  exhaustion ,  frightened ,  paralyzed ,  petrified ,  poisoned   Senses  blindsight 30 ft., tremorsense 60 ft., passive  Perception  9  Languages  \xe2\x80\x94  Challenge  15 (13,000 XP)  Proficiency Bonus  +5 \n'b' SPECIAL TRAITS \n'b'\n'b'  Clockwork Creature . If the worm takes 60 damage or more on a single turn (or half as much from a creature inside it), the worm\xe2\x80\x99s mechanical body malfunctions. The first time this happens, the worm\xe2\x80\x99s sensors malfunction and it loses its blindsight. The second time it happens, the worm\xe2\x80\x99s speed is halved and it can no longer take the Multiattack action. \n'b'  Critical Malfunction . When the worm is reduced to  0 hit points , it explodes. Each creature within 30 feet must make a DC 19  Dexterity  saving throw, taking 28 (8d6) bludgeoning damage and 28 (8d6) piercing damage on a failure, or half as much on a success. \n'b'  Tunneler . The worm can burrow through solid rock at half its burrow speed and leaves a 10-foot diameter tunnel in its wake. \n'b'\n'b' ACTIONS \n'b'\n'b'  Multiattack . The worm attacks with its Bite and Propulsion Tail. \n'b'  Bite .  Melee Weapon Attack : +14 to hit, reach 10 ft., one target.  Hit : 22 (3d8 + 9) piercing damage. If the target is a Large or smaller creature, it must succeed on a DC 19  Dexterity  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) bludgeoning damage at the start of each of the worm\xe2\x80\x99s turns. A swallowed creature can make a DC 15  Dexterity  check as an action to try to squeeze itself out through the gaps in the worm\xe2\x80\x99s metallic armor. On a success, the creature emerges from worm\xe2\x80\x99s body to land  prone  in an unoccupied space within 5 feet of it. \n'b'  Propulsion Tail .  Melee Weapon Attack : +14 to hit, reach 10 ft., one target.  Hit : 19 (3d6 + 9) bludgeoning damage, and the target must make a DC 22  Strength  saving throw if it is Large or smaller. On a failure, the target is hurled up to 60 feet horizontally in a direction of the worm\xe2\x80\x99s choice and lands  prone , taking 1d6 bludgeoning damage for every 10 feet it was thrown.'