After returning to the headquarters, Tang Wulin retired to his room right away, citing a need to rest.

He took a moment to collect his thoughts, then began to review the soul spirit battle that had just taken place. It had been a very long time since he had last used the Son of Nature soul skill, and this was because it was extremely taxing on him. However, when he used it today, things were different.

As the vast number of energy particles surged into his body from the outside world, his own body seemed to have reciprocated with these particles. It was like breathing, except energy was being inhaled and exhaled rather than air.

The expenditure required to unleash the Son of Nature soul skill on this occasion was far less than he had expected, but the result had been just as potent. He had been able to force back Zhang Geyang so easily at the end of the battle as his body had been...