‘Son?’ A burst of light momentarily brightened the area before it dispersed into a multitude of tiny sparks that faded away with the Changgong Library. Yeon-woo was momentarily dazed, deeply affected by the Heavenly Demon’s parting words.

At that moment…

‘Wait?’ Yeon-woo’s mind raced as a thought formed in his mind. Pew! He could sense that he was in freefall.

***

[This is the 52nd floor, the gate of the ‘Frozen Sea’.]     

[The trial of the 52nd floor is beginning.]

[Trial: Since ancient times, icy habitats have been one of the most difficult places for warm-blooded creatures to survive. Icy habitats pose a challenge to warm-blooded creatures, and ice represents death in many ways. However, after death, new life springs up, and an ice-covered world is bound to eventually reveal a warm, bountiful one. Just as light and blackness circulate, ice also holds countless possibilities. Find those possibilities and overcome the limitations of ice. Those possibilities will reveal and develop your potential.]

In many ways, the fifty-second floor was the extreme opposite of the fifty-first floor. On the fifty-first floor, one had to climb a mountain with several layers of fire, while on the fifty-second floor, one had to cross an endless sea of ice. A blizzard blew year-round on the floor, dropping the temperature so much that most living beings couldn’t survive. In addition, the sun’s rays were so intense that the light reflecting off the white snow could damage one’s eyesight.

In a way, it was a very similar environment to the Wailing Wall that Yeon-woo experienced on the twenty-sixth floor. Both floors boasted a large...