Tens of thousand of years had passed and technology had made several leaps since humanity grasped the power of martial souls. With the advent of Titled Douluos, humans no longer ran from soul beasts with their tails tucked between their legs.

The number of soul rings a person possessed reflected the strength of their cultivation. Mankind had advanced to the point where amassing more than nine soul rings was no longer a dream. Every soul power rank from 90 onward provided a surge in strength. 

In order to become a Titled Doulou, one needed to break through the threshold of rank 90. After reaching rank 95, they would stand at an even higher peak and possess the powers of a Hyper Douluo. Ultimately, a soul power of rank 99 gave rise to a Limit Douluo. Only with a Limit Douluo could humanity contend with the greatest of soul beasts, for the two types of existences stood on equal foot...