Perma-Dark

Perma-Dark is a form of hyper-inert Dark found primarily in the Veil. Perma-Dark is created when Dark is exposed directly to the vacuum of space, where it quickly spreads out like gas trying to fill a vessel. It conforms to gravitational orbits, trending towards a sort of spherical 'net' dispersal pattern where each cluster of particles will try to be approximately an equal distance from the other clusters. It's currently unclear where the energy for this movement comes from.

While it is possible to Wash Perma-Dark, the output will be only a fifth as ductile as one would expect. Additionally, due to it's psychic disruption field, washing Perma-Dark is often dangerous. Perma-Dark emits a field where intelligent creatures coming into contact with it suffer madness and mental trauma as their minds are re-configured with strange nonsensical thoughts. Short term exposure can typically be fixed with behavioral-cognitive therapy, but exposure of longer than a few minutes can cause lasting mental trauma. Observed side effects include paranoia, out-of-body hallucinations, confusion, a loss of sense of direction and orientation (which gets worse the higher the gravity the sufferer is in), and manic bouts of euphoria. Most who die from Perma-Dark exposure suffer heart attacks during a euphoric swing. The euphoric swings also tend to come with unintentional telepathic broadcasts that are uniquely difficult to tune out. It's not unheard of for serious sufferers of Perma-Dark exposure to have been lobotomized.

Some faiths have a doctrine referred to as Dark Anabaptism, which holds that repeated minor exposure to Perma-Dark fields will eventually condition a person to better understand the universe in some way.