That day, Zhang Yu had just returned to the dormitory when he saw Le Mulan already waiting there.
Besides the 0.05 Spirit Coin he had earned that day, Le Mulan had successively purchased samples from different places from Zhang Yu over the past few days—blood, sweat, saliva, and so on—earning him another 0.08 Spirit Coin.
But so far, perhaps because too little time had passed, the company had yet to find any results from the samples Zhang Yu had provided.
The only unexpected discovery for Le Mulan was that Zhang Yu's sweat had become increasingly pure and free of contamination. Let alone medicinal toxins or impurities, it did not even carry the faintest odor, like cooling water used solely for dissipating heat.
She secretly thought, After Zhang Yu entered Foundation Establishment, his ability to metabolize and absorb medicine, as well as his control over the medicinal toxins in his body, had become even stronger.
Combined with his cultivation of Boundless Spring Autumn Zen, after every dose of medicine, he almost perfectly filtered out the medicinal toxins, then gathered and stored them all away.
If he went into a pharmaceutical company as a drug tester, or became a filter cartridge for washing out medicinal toxins, his salary would definitely be high.
Of course, Le Mulan knew Zhang Yu could never do that kind of work.
After all, such work was far too damaging to the body. Even a Foundation Establishment powerhouse, under the effects of all kinds of experimental drugs... would need only a few weeks to suffer damage that was difficult to recover from, cutting off their path in the Immortal Dao.
But if it was only for her own small-scale use, Le Mulan looked at Zhang Yu and seriously asked, "Are you sure... I can really consume it for