Capítulo 470: The Photographic Memory Potion.

Felix and the rest nodded their heads and began following the noted steps exactly as demonstrated by teacher Sonna. From shaving to mixing and finally hammering the gooey substance.

Although the process was quite complicated compared to the rejuvenation potion catalyst, it was still manageable for Felix and the rest.

Hence, after failing once or twice, all of them succeed in creating multiple portions of the catalyst in two hours.

After checking on everyone's results and seeing that none of them seemed to struggle, teacher Sonna nodded her head in approval and mentioned, "This method of extraction is usable for most flesh-based catalyst materials. That's why it's highly recommended to learn it and master it."

Upon seeing that all of them had nodded their heads, teacher Sonna informed them, "Practice it more in your free time, class dismissed."