[On the nineteenth year, the dozens of spirit earthworms that you had nurtured over more than a decade, bathing daily in spiritual energy, had grown increasingly stout and had developed sentience.]
[One of the spirit earthworms had become as thick as an arm, and as they cultivated the spirit field every day, the growth of the spirit plants within your field became even more gratifying.]
[In the same year, the Three-tailed Phoenix Grass you planted had grown its second phoenix tail, getting closer to maturity.]
[On the twentieth year, you persisted in tempering your body, and finally, your physical strength reached 6.8 million catties.]
[But you can now only increase by twenty or thirty thousand catties each year, and you estimate that the limit of your body's potential is probably around 7 million catties...]
Su Xing felt somewhat disappointed upon seeing this.
"The limit is only 7 million catties of strength... That's still a considerable gap from the rumored Witch Clan..."