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Large monstrosity, chaotic neutral

Armor Class 12 (natural armor)
Hit Points 51 (6d10 + 18)
Speed 40 ft.

19 (+4) 10 (+0) 16 (+3) 8 (–1) 11 (+1) 9 (–1)

Skills Intimidation +2, Perception +4
Senses darkvision 60 ft., passive Perception 14
Languages Prehistoric Giant
Challenge 5 (1,800 XP)


  • Keen Smell. The gronk has advantage on Wisdom (Perception) checks that rely on smell.


  • Multiattack. The gronk makes one Gore attack and one Greatclub attack.
  • Gore. Melee Weapon Attack: +7 to hit, reach 10 ft., one target. Hit: 11 (2d6 + 4) piercing damage.
  • Greatclub. Melee Weapon Attack: +7 to hit, reach 10 ft., one target. Hit: 13 (2d8 + 4) bludgeoning damage.


Gronks are fiercely territorial creatures with mottled gray skin and shaggy brown hair. They have massive arms and legs that are attached to their barrel-like torso. Their faces are almost lost amid the long hair hanging over their heads, but there’s no missing the long rhinoceros-like horn that grows between their eyes.

Primarily hunter-gatherers, gronks live in small family bands or nomadic packs that wander the cold plains they call home. Gronk packs never remain in one place for more than a month before moving on to greener pastures and better hunting grounds. They have been known to engage in barter with traders who cross their territories. Of particular interest to gronks are frost giants, with whom they have some sort of kinship or bond (though the extent of such a bond is unknown).

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Tome of Horrors 2020, (C) 2020, Necromancer Games

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