Elementalist of Demon Fighting

In this world, there is a kind of energy that is closely related to people's lives. The name of this energy is – virtual energy… Virtual energy is a kind of magical energy that exists underground. It usually exists in virtual energy pools. It looks like a pool of black liquid from a distance, but its true appearance is a dark black flowing energy, surrounded by virtual energy, so that there are always some particle effects around it, and little bits of light flicker in the flowing energy. This is the virtual energy pool. Not only that, the virtual energy pool will emit a large amount of virtual energy. This virtual energy flows into the ground between molecules through the conduction of the land. Because the virtual energy pool is an endless energy source, it releases virtual energy endlessly. Over time, the virtual energy merges into the air. On the ground, some people can absorb the virtual energy in the air by exercising their mental strength, giving themselves a powerful power. This power is divided into seven general elements, fire, water, thunder, wind, earth, light, and ice. There are also many special elements that are obtained through inheritance or special methods, which are called ultimate elements. Therefore, people who absorb virtual energy and have this kind of power are called elementalists in this world... Elementalists will not fight alone. Through the arrangements of those with powerful null energy among the elementalists, an organization was established. This organization is called "Magic City". Elementalists work in the Demon Envoy, and civilians will send tasks to various guilds so that the Demon Envoy can operate...