In 2222, a black tiger infected by unknown contamination traveled aimlessly across the world. Everywhere it passed was filled with black mist. When animals and plants inhaled it, their bodies would mutate, becoming brutal, bloodthirsty and killing indiscriminately. The black tiger was regarded as a first-level disaster by the whole world. Just as scientists were trying to find ways to eliminate the black tiger, she mysteriously disappeared. Subsequently, the infected organisms launched a large-scale attack on humans. In just a few months, humans were lost... By studying the corpses of mutated organisms, scientists invented "genetic potions" that activated the brain's gene locks, broke through the limits of the body, and opened up the sixth sense to absorb the thin spiritual energy on the earth. Along with the disaster, a basic skill book called "Flame Art" spread all over the world, and everyone knew it. The era of great immortal cultivation has begun! At the same time, a big hand playing with the earth gradually emerged...
