Homebrew Decayborn Myconid Species Details

Decayborn Myconid

Overview

Decayborn Myconids are ancient fungal beings born from vast subterranean mycelial networks known as Dreaming Roots. Unlike ordinary fungi, a Decayborn Myconid is a living colony given humanoid form. Every part of its body is alive with interconnected mycelium, moss, lichens, spores, and symbiotic fungal growth.

To a Decayborn Myconid, life and death are not opposing forces. They are stages of the same sacred cycle. Decay is viewed as a form of renewal, and decomposition is considered one of nature's greatest acts of creation.

Many surface-dwellers mistake them for undead creatures, forest spirits, or walking corpses. In reality, Decayborn Myconids are caretakers of balance, ensuring that life eventually returns to nourish what comes next.


Physical Appearance

A Decayborn Myconid resembles a walking ecosystem more than a traditional humanoid.

Their bodies consist of:

  • Dense mycelial fibers
  • Hardened fungal tissue
  • Root-like tendrils
  • Moss-covered growths
  • Lichen colonies
  • Living mushrooms

The body itself is neither plant nor animal. Beneath the exterior lies a dense network of fungal fibers that functions as muscles, nerves, and connective tissue.


Head and Face

The most striking feature is the fungal crown that serves as both skull and sensory organ.

A mature Decayborn Myconid may appear as below:

  • Broad weathered shelf-mushroom cap
  • Moss-covered crown
  • Smaller mushrooms growing from the cap
  • Pale gray-white fungal bark complexion
  • Long gaunt facial structure
  • Deep-set amber bioluminescent eyes
  • Thin root-like beard tendrils
  • Blue-violet bioluminescence beneath the cap

As the creature ages, new fungal growths emerge naturally from the crown, creating a living ecosystem upon its head.


Eyes

Decayborn Myconids possess no conventional eyes.

Instead, glowing sensory organs sit within deep cavities of the face.

Eye colors commonly include:

  • Amber
  • Gold
  • Pale blue
  • Violet
  • Emerald

These glowing organs sense:

  • Light
  • Movement
  • Heat changes
  • Spore densities

During periods of intense emotion or magical activity, the glow may brighten dramatically.


Skin and Texture

A Decayborn Myconid's body resembles a mixture of:

  • Ancient driftwood
  • Tree bark
  • Shelf fungus
  • Petrified roots

The "skin" continuously regenerates.

Cracks are often filled with:

  • Moss
  • Lichen
  • Tiny mushrooms
  • Bioluminescent mycelium

Older individuals develop increasingly complex growth patterns, making every elder unique.


Communication

Rapport Spores

Rapport Spores are the defining trait of the species.

Most Myconids consider spoken language crude and inefficient.

Instead, they release microscopic psychic spores that allow participants to share:

  • Thoughts
  • Images
  • Emotions
  • Memories
  • Concepts
  • Sensory experiences

Conversations feel less like hearing words and more like briefly experiencing another person's perspective.

A Decayborn Myconid might communicate:

A snowfall as a memory of cold silence.

A warning as the sensation of roots tightening around stone.

A greeting as the warmth of sunlight filtering through a forest canopy.

Because of this, Myconids often understand one another on a level difficult for humanoids to comprehend.


Society

The Dreaming Root

Most Decayborn Myconids belong to enormous fungal networks known as Dreaming Roots.

These colonies may stretch for miles beneath:

  • Forests
  • Mountains
  • Swamps
  • Ancient ruins

Each colony acts as a communal consciousness where memories are shared through spores.

Individuality exists, but every Myconid is connected to the greater whole.

A single colony may preserve memories stretching back thousands of years.


Elders

Ancient Decayborn Myconids eventually become living archives.

Their memories contain:

  • Lost civilizations
  • Historic plagues
  • Ancient wars
  • Natural disasters
  • Forgotten druidic teachings

Many younger Myconids seek counsel from elders before making important decisions.


Relationship with Death

Death is not feared among Decayborn Myconids.

In their belief system:

Nothing dies.

Everything transforms.

A fallen animal becomes soil.

The soil feeds roots.

The roots feed trees.

The trees feed fungi.

The fungi feed future life.

Because of this worldview, Decayborn Myconids often appear calm in situations that distress other humanoids.

They treat corpses with reverence rather than horror.

Many serve as:

  • Druidic guardians
  • Spiritual guides
  • Natural philosophers
  • Keepers of sacred burial places

Magic

Decayborn Myconids possess an innate connection to fungal and natural magic.

Typical magical talents include:

  • Spore manipulation
  • Bioluminescence
  • Druidcraft
  • Healing fungi
  • Necrotic resistance
  • Symbiotic magic

Circle of the Spores druids are particularly common among them because the philosophy aligns perfectly with their understanding of life's cycle.


Adventuring Decayborn Myconids

While most remain with their colonies, some venture into the wider world.

Reasons include:

  • Seeking lost fungal colonies
  • Investigating magical corruption
  • Following prophetic visions
  • Defending natural balance
  • Recovering forgotten knowledge

Such wanderers are rare.

Most people only encounter a Decayborn Myconid once in their lifetime.

Those who do often describe the experience not as meeting a person, but as speaking with an ancient forest that learned how to walk.


Common Decayborn Saying

"The roots remember. The spores carry. The cycle endures."

 

Decayborn Myconid Traits

"The roots remember. The spores carry. The cycle endures."

Ability Score Increase

  • Wisdom +2
  • Constitution +1

 

Age

Decayborn Myconids mature around age 10 and can live up to 200 years.

 

Alignment

Most Decayborn Myconids are Neutral, prioritizing natural balance above concepts of law, chaos, good, or evil.

 

Size

Medium

Most Decayborn Myconids stand between 5 and 7 feet tall.

 

Speed

30 feet

 

Darkvision

Accustomed to life in cavernous fungal colonies, you can see in dim light within 60 feet as if it were bright light and darkness as if it were dim light.

 

Natural Armor

Your body is reinforced by dense fungal plates, hardened mycelium, and bark-like growth.

While you are not wearing armor, your AC equals: 12 + your Dexterity modifier 

You may still use a shield and gain this benefit.

 

Fungal Resilience

Your fungal physiology grants protection against toxins.

  • Resistance to Poison damage
  • Advantage on saving throws against the Poisoned condition

 

Rapport Spores

Your spores are your people's primary method of communication.

As an action, you release a cloud of nearly invisible psychic spores.

Choose any number of willing creatures within 30 feet of you. For the next hour, all affected creatures can communicate telepathically with one another while they remain within 30 feet of you.

This communication can convey:

  • Thoughts
  • Emotions
  • Images
  • Sensory impressions
  • Simple memories

This communication ignores language barriers, though it cannot transmit concepts beyond what participants could normally comprehend.

Once you use this feature, you cannot use it again until you finish a Short Rest or Long Rest.

 

Spore Magic

You know the Druidcraft cantrip.

Wisdom is your spellcasting ability for this spell.

 

Keeper of the Cycle

As caretakers of the transformation between life and death:

  • You gain proficiency in the Medicine skill.
  • You have resistance to Necrotic damage.

 

Languages

You can speak, read, and write:

  • Common
  • Sylvan

Most Decayborn Myconids prefer Rapport Spores for meaningful communication rather than speech.

 

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