By Tooth And Claw Dragons

Diseases and Illnesses

This page covers all of BTACD's custom diseases and illnesses! Any custom sickness can be found here, from the rampant hornrot to the terrifying Contajion. All are sorted by rarity and what species they affect!

Common Illnesses and Diseases


species affected: all. || rarity: common.
Collywobbles is caused by ingesting infected substances, be it water, meat from a diseased source, or toxic plants. Symptoms include stomach ache, nausea, vomiting, and loss of appetite. Sufferers commonly have feelings of uneasiness. The only sure cure is to either wait it out, or induce a purge so the toxins are expelled from the body.


species affected: all. || rarity: common.
A condition that causes painful swelling and stiffness in joints. Especially severe cases make it nearly impossible to bend effected joints. This disease is caused by various species of insect common to jungle areas and wetlands, although natives to these regions tend to be resistant if not fully immune. Without removing the toxins from the victim's body, curing this affliction is difficult.


species affected: all species with horns. || rarity: common.
Though unrelated, Hornrot and Scalerot share some similarities. Hornrot is caused by a bacterial infection of tissue around the base of the horn, eventually spreading to the horn bone itself. As this occurs, horn structure will be weakened as the outer layers begin to flake and discolor; the horn will begin to disintegrate, crack, and crumble. If not treated, horns may suffer permanent damage, break, or fall off.

Red Cough

species affected: all. || rarity: common.
A sickness that causes discoloration of the skin, fur, scales and eyes of afflicted individuals, along with a lingering cough. Thought to be caused by prolonged contact within a magestorm, even with protective charms, and similar magical occurrences. The disease lasts for several weeks, and causes eyes and tissue to become red, swollen, and inflamed; as airways are commonly affected, victims will often develop dangerous coughs. Red Cough is not considered to be fatal by itself, but may claim the lives of weaker individuals who do not get treatment immediately.


species affected: all species will scales. || rarity: common.
A condition caused when something gets lodged beneath a victim's scales and causes the surrounding tissue to fester. The tissue beneath the scales swells, causing the scales to distort and discolor, and eventually fall off. While healing magic and salves can reduce symptoms, removal of the irritant is necessary to prevent recurrences. Severe cases can result in permanent, discolored scars.

Uncommon Illnesses and Diseases


species affected: all air-breathing species. || rarity: relatively uncommon.
Caused by inhaling toxic vapors, victims are afflicted with a debilitating cough that can tighten their airways and cause bleeding in the lungs, hence the name. While the disease itself can be cured, healing damaged lungs and airways is considerably harder, particularly if the victim had the disease for an extended period of time.


species affected: all species with bones. || rarity: uncommon.
A difficult-to-diagnose disease that shares similarities with natural bone fragility, this disease is caused by contamination with certain dark magics, and the shadow element. Darkness, if not purged, may be absorbed by the body; it will begin to contaminate the bones of an afflicted individual, turning them black through a process that spans many years. Over time, these bones are greatly weakened, and will break very easily. In late stages of the disease, bones will degrade to the point of disintegration - often leading to the necessity of amputation, if not fatal.


species affected: all immortal species. || rarity: very uncommon.
Deathtouch is a disease that targets any race that has an immortal lifespan. Thought to be a contamination of an immortal's spirit, this disease has not been found in mortal species - however, any immortal individual can contract it. Anyone affected by this disease typically feels weak and lightheaded at first; older immortals will begin to noticeably age, before their bodies begin to degrade and decay until they eventually die. To be cured, an afflicted immortal must have their spirit cleansed through magical means, usually with some variant of light-based magic. However, as those with dark affinities may find such treatments to be just as fatal, Deathtouch may be unable to be cleansed.


species affected: all species with physical ears. || rarity: uncommon.
A genetic defect of the ears, stemming from a magical disturbance early in Millirand's history. Earburst is commonly noted to have few outward signs, save for mild discoloration of the ears in the early to mid stages, with severe deterioration and bleeding in later stages. High-pitched sounds may cause the eardrums to burst, an exceptionally painful occurrence - otherwise, the disease will progress until permanent deafness is complete. Those with external ears may have them deteriorate to the point of literally falling off, to which point they cannot be healed or restored.


species affected: all, but most often in species that swim or fly. || rarity: uncommon.
Heartshake is so named for afflicted individuals complaining of rapid, fluttering heartbeats, and pain in the chest. Individuals born with Heartshake generally have weak hearts and lungs, along with a plethora of other circulatory system problems. Its origins seem to come from Yorije, and has been said to be tied to Zacyn's death, with the first cases being reported not more than a decade ago, around the time of the god's rebellion.

Symptoms include pain during physical activity of any kind; severe weakness and dizzyness; trouble breathing; and pain in the chest. There is no known cure, though healing magic can help alleviate the pain and lengthen the afflicted's lifespan.


species affected: all undead and undead-related species. || rarity: uncommon.
The curiously named rot-rot is a condition where the decaying process accelerates rapidly, to the point where the undead creature is literally falling apart. While the damage can be reversed, it can prove deadly if untreated. This tends to naturally occur in 'nnar (which contributes to them having to replace many parts of their body). It is caused by exposure to certain plants, such as the necrobloom.


species affected: all flying creatures. || rarity: very uncommon.
An uncommon, debilitating disease that effects flight muscles in the victim's wings. Common symptoms include inability to fully lift or extend the wings, or flap them. As this renders flight impossible, it is a very serious condition. The cause is unknown, and curing the condition can be difficult, as victims can suffer a sudden relapse.

Rare Illnesses and Diseases


species affected: all. || rarity: rare.
Over exposure to an environment with unhealthy amounts of reiatsu can lead to several effects. This can lead to having parts of the physical body destroyed over time, leaving nothing but the reiatsu-flooded soul behind; others may give an individual a very potent and powerful reiatsu, effectively becoming something related to an aura elemental. Usually, auraflood is fatal, but there are cases where strong individuals have survived.

Of the ones that have survived, and have not become so infused to have either of the two aforementioned effects happen, there are significant side effects that can be noted. While recoverable, over exposure to reiatsu can result in a dependence on it - their physiology actually feeding off of the spiritual energy. The afflicted can actually starve and die if they are not weaned off of it carefully.


species affected: water-dwelling and plant-based species. || rarity: relatively rare.
Bloodwater is a phenomenon where non-Kuraian waters turn red as blood. In spite of its name, it is not actually blood, but a bacteria that actually eats the victim from the inside out. Due to its extreme lethality, this bacteria tends to have a brief lifespan. Generally, what happens is it rapidly gestates in things like fish and other seadwelling creatures until it has consumed all life in a body of water, as well as the marrow within bones. Curiously, it does not eat the shell of the bones, which allows for the bones to float to the water's surface.

Plants that consume this tainted water are affected at a much slower rate - if this plant is consumed, the individual eating this plant is also infected, as is their stool. Livestock also carry this effect. From time of consumption, the time it takes for this bacteria to kill its victim is in a matter of a week for a humanoid-sized creature - two for something of normal bovine or horse size.


species affected: all. || rarity: very rare.
The onset of this disease only occurs in caves and dense forests. In such caves/forests, a colony of a specific fungus can cloud the area in a sweet smelling scent. If a creature - sentient or no - follows the trail, it is greeted with an explosion of spores upon reaching a certain distance from the fungus. At first, no other symptoms are reported. However, such creatures will often find themselves shying away from the light, like a lighter version of the vampire virus. However, this disease is much more sinister in nature.

Cavernblight really isn't so much a disease as it is a symptom - it causes massive inflammation in the brain, and also rewires the release of neurotransmitters - particularly those acting on pleasure such as dopamine. This fungus makes the creature's pleasure centers activate by remaining in the dark for long periods of time. Worse yet, its presence suggests to the creature to find areas with less light so it may reproduce. When it does, it often bursts out of the head, being fatal to the affected individual.

The creatures it may affect are determined by the strength of the progenitor fungus, known as the Funghal Brain - a fungus that is encased in a shell of vine-like constructs - the core of it pulsates much like one would imagine a brain would. The corpses of creatures are often "driven" by the fungus even after death to the Funghal Brain - at which point, the creature is consumed via pressing itself against the brain, which dissolves the creature's flesh and bones and consumes it entirely. The brain has a high calorie need - should it not intake enough creatures, it will die.

The actual symptomology is subtle - headaches, aversion to sunlight, and a knot-like growth on the head. Upon being discovered, most of these can be cured, no problem, though the knot may need extra care to heal due to it having been attached to the cranium. However, once the fungus sprouts, it is fully fatal.


species affected: all. || rarity: incredibly rare.
A disease initially thought to be a curse of the dark gods, known to have had recorded instances as far back as the First Realm. An individual is born with an aura that continually attacks the body and spirit of the victim, with attacks becoming more and more frequent, and more debilitating, until eventual death. Usually, those who are born with the Contajion do not survive long past their twentieth year. There is no known cure, and this disease resists all forms of healing magic.

Those with the Contajion develop physical markings in the later stages of the disease. Cloudy, black markings may surface on the skin, discoloring fur or scales, and are known to form loose shapes affected by an individual's reiatsu. These markings are permanent, and can continue to grow for however long the individual survives; they can be very, very painful, and the agonizing Contajion attacks seem to begin with these markings aching. Oftentimes, the pain can become so severe (in later stages) that the individual passes out.


species affected: earth-type elementals and stone-based individuals. || rarity: rare.
Freezerock's negative impact on afflicted individuals is twofold. First it severely inhibits the movement and overall utility of affected areas (i.e. hands that are consumed have trouble even lifting a mug, feet become club-like, usually causing noticeable limps). On top of this, a continuous, painful ache comes with the disease's growing territory. Once the Freezerock reaches the heart, lungs, or other necessary organs, death comes swiftly and is accompanied by agonizing pain as they shut down. An individual who has died as a result of Freezerock becomes a statue-like husk, frozen in whatever position they died in. Existing flesh and tissue, if recent, will rot away - leaving malformed statues in its place.

Like oxidizing putty, Freezerock occurs in parts of the body that are shaped most frequently (extremities that are turned into useful tools, for example). Thus, the disease is most often found in older elementals or those who have spent a great deal of time manipulating their physical form. Contracting Freezerock is not a given, though, and many will go through life without experiencing it.

For the afflicted, some slight solace may come with the knowledge that the disease's progress is slow, and can be halted entirely by removing afflicted areas before they spread. While painful, the areas are also exceptionally tough - blades rarely find purchase in Freezerock stone, and applying brute force usually results in a shattered weapon.


species affected: plants and plant-based species. || rarity: rare.
Kindlebark is limited to flora and flora-based creatures. It causes the plant to secrete an oily substance which is extremely volatile - a mere brush of a moth wing can cause the plant to ignite in flame. Worse, this disease is extremely contagious and the embers spread the disease on the wind. The period of development can take from a few weeks to years before the plant shows signs of this affliction.


species affected: any who utilize magic. || rarity: incredibly rare.
Any being, undead included, who uses magic can fall victim to this very rare disease. Magical in nature, Magebane drains victims of a significant portion of their magic. Recovering expended magic energy becomes much more time consuming, and spells that are cast are stripped of a significant amount of power. Curing Magebane is typically done via various mundane remedies as attempting to cure Magebane via magic risks the would-be healer getting infected with Magebane in turn.

Nightmare Sickness

species affected: all. || rarity: exceptionally rare.
A very dangerous, and very rare, magical disease. Created by the former Kuraian Lord of War, Kirai, to use against Felnova, it has been adapted for use by various mages in a weaponized variant, usually in gaseous form. The disease itself is an attack on the mind; less severe cases render a lack of awareness and overwhelming fear, while the most severe cases involve being unable to waken from a constant loop of terrible nightmares.

Extreme physical pain, various forms of light magic, and a purging of the mind may drive the effects of the Nightmare Sickness away. However, the possibility of rebound is very common, and victims may fall back into its hold afterwards. Rarely, healers that seek to purge the disease may become afflicted with it themselves.

Noamuth's Spite

species affected: all living. || rarity: rare.
So-named because legend holds the first victim of the disease rejected the dark goddess's twisted advances, and was cursed for it. The victim's flesh begins to harden and take on a gnarled, scaly appearance, starting from the outer layers of soft tissue and slowly progressing inward. As muscles harden, movement becomes stilted and slow. Eventually, the disease will prove fatal once it reaches the internal organs, especially the heart and lungs. The disease is highly contagious, with even briefly touching diseased flesh being enough to spread the infection, and while magic curing can delay its spread, it will become less effective over time. The only true cure is removal of all the infected flesh, and treatment of the healthy tissue beneath with cleansing salves. Removed flesh, and anything used to touch it, must be burned.


species affected: all. || rarity: rare.
Spirespores are a form of fungus that infects the skin. It causes benign, if ugly, fungal growths to sprout, which are effectively harmless. They do, however, work to spread spores to those the infected individuals come into contact, and where the fungus meets the skin can become rashy and itchy. They can prove problematic when growing on the face, but otherwise are not dangerous. If cured, the growths tend to decay quickly and fall off on their own. If the growth lives out its cycle, however, the growth is permanent until removed.

So named because the vast majority of spirespores' growths appear to be in the shape of spines or spikes, long mushrooms, and thin strands similar to those found in insectoid cordyceps. However, they can be of any color, and can form in many other shapes - including but not limited to treelike branches, flat and soft 'plates', lattice-like constructs, velveteen fuzz, and many others.

It’s easily curable if you can find an herbalist or healer. Simple fungicides work, along with any kind of herbicides. Many insects are used in areas where a healer or the like are not available to eat away at the growths. Surgical removal is also an option, but due to reinfection risks, is not a common option.