Traveling Between Two Worlds, I Am Cultivating Immortality Scientifically

Sell goods from two worlds + cool writing + light-hearted + shady Lan Xingbizi, because of an accident, traveled to the world of high martial arts and became the medicine slave of the children of the aristocratic family. Accidentally gained the ability to travel through the world of cultivation. From then on, the road to making a fortune through reselling began between the two worlds. Use the technology of the world of high martial arts to crush the natives of the world of cultivation. Use the magic of the world of cultivation to educate the children of aristocratic families! "Junior brother, what is this? Why is it so delicious?" "Eldest brother, that is feed, it is for spiritual beasts to eat, it cannot be eaten by humans!" "It's okay, it's okay. I'll just try the taste. I won't eat it randomly!" Half a month later. Lin Fan looked at the senior brothers who were as fat as pigs and felt a big headache. "Senior brother! Did you really not steal the feed?" "How is it possible! How could we secretly eat that kind of thing?!" "That's right! With the character of your senior brothers, don't you think they can't lie?!" "But..." High martial arts world levels: blood refining realm, body tempering realm, mortal realm, transcendence realm, nirvana realm, divine connection realm, heaven and human realm Realm of cultivation: Qi training stage, foundation building stage, elixir formation stage, Nascent Soul stage, spirit transformation stage, void refining, body integration, Mahayana, ascension