Even though Yeon-woo had painstakingly searched the Bayluk’s lab on the twenty-eighth floor and scanned through the research notes and experiments, he had no way to truly understand what Bayluk had been doing. All he could guess was that the research was wide and intensive, and it was probably related to the Divine Human he was obsessed with.

Yeon-woo also assumed the poison that afflicted Hanryeong was one of the discoveries Bayluk had made during his research. Brahm was still analyzing the poison, but he’d already managed to discover something. “It seems like this is a type of Spirit Powder Poison.”

Spirit Powder Poison wasn’t composed of physical ingredients but spiritual ones. Most alchemists didn’t know how to handle spiritual matter since you had to be a master of alchemy to even think of working with it. If someone used spiritual matter as part of a poison, it meant that their understanding was extremely high.

It was difficult to make and handle Spirit Powder Poison, and even Brahm, whose knowledge surpassed the Tower’s accumulated history, didn’t have a strong grasp on the spirit world. He was curious how Bayluk...