Claymorph Aka Terrance Smith

Terrance Smith, a devoted family man, was once a brilliant if overlooked biochemist whose passion for biomaterials consumed his every waking hour. Working in a cramped laboratory tucked away from the academic spotlight, he devoted himself to an ambitious project: synthesizing organic clay compounds that could bond with human cellular structures, creating revolutionary prosthetic masks and limbs with genuine sensory feedback. His colleagues dismissed the work as pseudoscience, but Terrance pressed forward with obsessive determination, convinced he was on the cusp of revolutionizing reconstructive medicine. On the night of his breakthrough, as he calibrated the final synthesis chamber, a cascade of chemical reactions spiraled catastrophically out of control. A catastrophe committed by a rival scientist. The explosion didn't kill Terrance—it transformed him into something neither fully human nor entirely mineral, a being of living mud and clay that defied every law of biology he'd spent his life studying. Now known only as Claymorph, Terrance wanders the misty forests that border civilization, unable to return to the family he once cherished, his monstrous form a constant reminder of his hubris. His grotesque body possesses an uncanny ability to absorb the very earth around him, swelling into a towering colossus when he draws upon the soil and stone beneath his feet, while his malleable physiology allows him to reshape his features into perfect replicas of others when given even the smallest sample of their DNA. He fights with brutal efficiency, his club-like appendages capable of devastating force, yet his mind remains fractured between his human memories and an alien instinct that drives him deeper into madness. Terrance exists as simply a man-turned-monster struggling to understand what he has become while grappling with the terrible knowledge that his greatest scientific dream has become his eternal curse and never being able to be with his family again.

Strength

20, modifier 5

Dexterity

12, modifier 1

Constitution

20, modifier 5

Intelligence

14, modifier 2

Wisdom

10, modifier 0

Charisma

8, modifier -1

Mud Slam

Melee Weapon Attack: +8 to hit, reach 10 ft., one target. Hit: 3d10+5 bludgeoning damage.

Clay Form Shift

Terrance can mimic a creature he has DNA from, gaining its abilities and appearance for 3 hours.

Earthquake Stomp

Terrance stomps the ground, causing a tremor. All creatures within 20 ft. must succeed on a DC 16 Dexterity saving throw or take 4d6 bludgeoning damage and fall prone.

Malleable Form

Claymorph can reshape his body, gaining advantage on disguise checks.

Earth Absorption

When in contact with soil, Claymorph heals 10 HP at the start of his turn.

Colossal Growth

Once per day, Claymorph can triple his size for 10 minutes, gaining +6 AC and +8 extra damage

Fractured Mind

Claymorph has advantage on saving throws against being charmed or frightened.

strength

8

dexterity

4

constitution

8

intelligence

5

Colossal Smash

Terrance makes a Mud Slam attack and can increase its damage by 2d10.

Earth Surge

Terrance absorbs earth, healing 20 HP and gaining temporary hit points equal to the amount absorbed.

Mimicry

Terrance can use Clay Form Shift as a legendary action, allowing him to change forms instantly.

Bludgeoning

Piercing

Slashing

Prone