Elixir is out

Everyone looked in the direction the middle-aged alchemist pointed.
On the alchemy platform, a young man was standing with his hands behind his back, watching others making the elixir with great interest.
"Hey, isn't he the mysterious young man just now?"
"That's right! It's him! I heard that although he is young, his alchemy skills are quite impressive and he can already make third-grade pills!"
"No way! This kid looks like he is only in his twenties at most. Even if he has been...