[Cosmosdex] The Universal Encyclopedia



Pot Wyvern / Terraptile

“Why would you plant in a field when you could plant on something that you can take with you? *v*” — H-801

No art currently, maybe you can help

Part of the Notail collection

Emblem by Atomic
  • Strength-8
  • Intelligence-1
  • Charisma-1
  • Endurance-6
  • Agility-2
  • Luck-3

Danger Level: Low
Likes: Plants, Sunny days, Basking in the sun, Rainy or humid weather, Scritches behind their horns
Dislikes: Droughts, Plant disease, Overwatering, Long periods of darkness, Pain

Attack Method: Attempt to land on the opponent to crush them, or club them with their tails.

Environment: Eukaryote, Forests, Rivers
Lifespan: 90 years
Size: 5 ft tall, 10 ft long
Diet: Photosynthesis

Bodytype: Tailed Bipedal
Type: Host Reptile
Rarity: Uncommon

Original Creator: Starlit-Drakon

Physical Description

The agrivyrn are large, plant covered reptiles: they have scales, long tails, and are incapable of producing their own body heat. Their hides come in various shades of brown, and most agrivyrn have a seedlike marking on their forehead. Agrivyrn are most known for their ability to be used as living planters, wherein they can support and grow vast amounts of plants upon their backs.

Agrivyrn have two solid black eyes, a large pair of mostly vestigial wings, two hind legs, and a tail. They have no mouth, and wild or uncared for agrivyrn commonly bear masses of hanging moss and clovers on their backs. Agrivyrn are silent beasts, and are in fact incapable of making vocalizations.


Agrivyrn are mostly known for spending most of their time lying in the sun, simultaneously warming themselves and giving their plants ample time to photosynthesize. These beasts have a symbiotic relationship with their plants, giving the plants a place to grow, and in return taking a portion of the plant's sugars to sustain itself. Domesticated agrivyrn are all female, though the few that still exist in the wild or in Z-class stocks can be male or female.

Agrivyrn are incapable of eating normal food, and intake water through their skin, much like amphibians. As such, an underplanted or dehydrated agrivyrn is nearly impossible to keep alive, and thus teaches their H-class how to care for plants needing very specified care. The more plants an agrivyrn has, the more finicky they are over their water intake.

Agrivyrn are a common H-class capture creature, but are also often sought after by G-class notails entering the woods. The difference between the two is obvious: The H-class's agrivyrn will be elaborately planted, often with rare or exotic plants with bright colors and intricate patterns. The G-class agrivyrn will have berry bushes and a fruit tree or two.


Aquavyrn: This subspecies is adapted to living a semi- or fully aquatic life. they spend most of their life submerged, resembling particularly well-planted logs. They are not advised as starters, as they cannot survive well out of water.

Fancy Agrivyrn: Fancies have many different patterns and colors, and often have wings that superficially resemble feathers. Do not be fooled, they are still leathery, and still just as useless as a normal agrivyrn's.


Chia Pet: This species is able to support massive amounts of flora on their back without ill effects. It is, in fact, essential to their survival.


• Sites where agrivyrn die are usually especially lush with vegetation, even after the body rots away. Agrivyrn-shaped patches of vegetation are common in The Forest.

• Some species have legends of great creatures bearing entire worlds upon their backs. These beasts are often superficially compared to the agrivyrn, who can sometimes carry entire ecosystems in miniature.

• Once, an eyegret set up a nest on an agrivyrn's back. Neither creatures' notails were pleased with this arrangement.

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