Zerg: An incredible way to survive

On a strange continent, countless creatures rubbed against them, but no race dared to be their enemy. They were the first creatures to be born with intelligence on this continent. They had an unparalleled and long lifespan. Their race was so powerful that no one could defeat them. But they had also committed heinous crimes, and the world once destroyed them. So the world punished them and changed the appearance of all their populations, making every creature that saw them feel disgusted. The world deprived them of the right to rise, making it difficult for their race to grow. But just when all this was about to be completed, fate seemed to be playing a trick on them...