Dirul

Dirul is an oily substance, that has a distinct bright yellow, matte color. It's one of the only substances found commonly across all of Bo-Sera. As far as chemists and geologists can determine, dirul is a naturally developed material developed either from superheating and liquefication via tectonic shifts the moon is known for, or the result of residual volcanic material binding the biodegrading fossils.

Dirul's economic value is immeasurable. Without the energy-filled elemental compounds, neither Nilur nor Thalume would have achieved their industrial ages. It is relatively inexpensive to drill for the semi-liquid, and the refinement process is straightforward. But while it is abundant and cheap, it is also extremely dirty, and is known to cause both environmental and physiological damage if one is exposed for too long or comes in direct contact with it. Essentially, it is both easy energy and slow-killing poison.

It is for that reason Nilur opted to accelerate its development of irilumium-67 as a cleaner fuel and energy source after the Dawn War. The All-Tribe forbids the drilling and use of dirul as harmful to Momo'klema, never having fully achieved an industrial revolution. Serata trades gravium for irilumium-67.