Sacrifice to Summon Medicine-Takers

Some people sacrifice their souls just to get power. So, Jiang Ling traveled through time and replaced this unlucky guy who lost his soul. The power gained by sacrificing one's soul turned out to be that one could level up by taking healing medicine? Practice? Easily upgrade with a bottle of potion! Knowledge? Get it directly by eating some medicinal materials! Law? Taste all the herbs and realize it yourself! With such power, the world is so vast that it can be conquered. The only problem is that the confidante who was kidnapped by the family wrote in her farewell letter, "I hope to witness the birth of capitalism." Jiang Ling:? ? ! ! ——The water in this world seems to be quite deep.