Lord of Flame and Darkness

A world inhabited only by exotic beasts unexpectedly merged with the human world. All of humanity was swept up in a sudden sandstorm. Most people caught in the storm died on the spot, while a small number gained all kinds of powerful, unusual abilities after being ravaged by the sand. But their lifespans were drastically shortened: the stronger the ability, the shorter the life. Humanity was kept in captivity by the exotic beasts, serving as entertainment, prey for slaughter, vessels for reincarnation, or nourishment to enhance their power. The mastermind behind it all turned out to be a human who should have died three hundred years ago. To control the life and death of all things, he had laid plans for hundreds of years. At last, the final moment had arrived, and our protagonist was the last piece of nourishment he needed...