Synopsis

The chapter begins with the protagonist entering the second floor of the tower, a water-themed area with multiple 'seas'. They discover a safe zone with various vendors and challenges. They learn about the trials where each sea contains a jewel to be obtained. They engage in the first trial, a swimming race against a merman, using holy fire to enhance their abilities and obtain the ruby, demonstrating unusual speed and a unique approach compared to other challengers. The protagonist also learns about a special reward for clearing all trials quickly.