Synopsis

Jaeju navigates the fourth floor, which presents a timed challenge focused on a color-changing crystal puzzle. He uses a method of memorizing and numbering the symbols to swiftly solve it, earning a significant amount of coins and moving him closer to getting a skill book. The chapter also highlights the urgency to care for his sick companions and how the challenge is a race against time to prevent becoming trapped on the floor. The chapter ends with the protagonist ready to progress to the fifth floor with ample coins, while commentary from viewers emphasizes how fast he cleared the challenge.