Gaxxog the Incorrigible

Gargantuan beast, unaligned

  • Armor Class 20
  • Hit Points 350 (20d20 + 150)
  • Speed 20 ft., climb 40 ft.

25 (+7) 10 (+0) 19 (+5) 7 (-2) 12 (+1) 6 (-2)

  • Condition Immunities buzzed
  • Senses passive Perception 13
  • Languages None
  • Challenge 15 (3743 XP)
  • Proficiency Bonus +6
  • Saving Throws Con +11, Dex +6, Wis +7
  • Senses darkvision 120 ft., passive Perception 11
  • Challenge 17(18000 XP)

Natural Camouflage. While Gaxxog is camouflaged, creatures take Disadvantage on Wisdom (Perception) checks to detect Gaxxog. This also applies to surprise rolls.

Spiked Back. A creature attempting to jump onto or grapple Gaxxog must make a DC 19 Dexterity saving throw, taking 11 (1d8 + 7) piercing damage on a failed save.


Multiattack. Gaxxog makes three attacks: one with its bite and two with its claws. It can make one tail attack in place of its two claw attacks.

Bite. Melee Weapon Attack: +13 to hit, reach 15 ft., one target. Hit: 26 (3d12 + 7) piercing damage.

Claw. Melee Weapon Attack: +13 to hit, reach 10 ft., one target. Hit: 16 (2d8 + 7) slashing damage.

Tail. Melee Weapon Attack: +13 to hit, reach 15 ft., one target. Hit: 26 (3d12 + 7) bludgeoning damage. If the target is a creature, it must succeed on a DC 19 Strength saving throw or be pushed up to 10 feet away from Gaxxog and knocked prone.

Acid Breath. Gaxxog exhales acid in a 60-foot cone. Each creature in that area must make a DC 19 Constitution saving throw, taking 52 (15d6) acid damage on a failed save, or half as much damage on a successful one.


Gaxxog begins combat with acid breath. The next round, it makes a bite and tail attack, the latter against the largest creature in range. After that, it settles into bite and two claw attacks every round.

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