That’s right: Lin Yi’s Ultimate Nine Thunder Tribulation consisted of 18 heavenly lightning bolts, each stronger than the last. However, he only absorbed 9,000 enhancement points and 9,000 energy points in total. Even though every subsequent bolt was more powerful, the amount of points he absorbed remained constant.
The extra energy was diverted by the Zero System for other uses, but Lin Yi wasn't the least bit upset. Because the system had been continuously absorbing high-level lightning energy, it had actually undergone an evolution. This was something Lin Yi had never anticipated, and the system hadn't warned him in advance. To put it simply, one could consider the previous version a first-tier system, and now it had evolved into a second-tier system.
While retaining its original functions, the system had gained two extremely important new features. The first was that for every future draw, he would have one chance to change his mind. If he wasn't satisfied with the first result, he could choose to discard it and draw again, which was essentially equivalent to two chances. The second function was even more significant. His system enhancement points could now be used directly on people around him, allowing him to enhance others without them needing any cultivation. It was faster than cheating.
Chapter 664