Starting Through the Back Room, I Became a Pharmacist

[W version of the back room] [Weak system capability] [Exploration + real survival] [High difficulty level] Curiosity led Yun Yi to the [back room], only to find that he had unlocked the pharmacist system and began to collect various items in the back room to make medicine. "A blunt potion? A potion that can penetrate walls..." "Meat from the limbs? Increased speed..." "The flesh of a sad corpse? Increased strength." Immediately afterwards, a series of side tasks began. "Please host go to level966" "Please host go to level998" "Please host go to level443" Then Yun Yi fell into level 404 and lost the most precious memory of his front hall. [Pantheon] will help you