The seawater was ice-cold. Even wrapped in his hydrokinetic current, Zhao Lin could still feel a slight chill.
By the time he had dived a dozen or so zhang, the light was already extremely faint. Ordinary cultivators could only rely on their Divine Sense to probe their surroundings.
Divine Sense decayed rapidly in water, its range typically cut in half. If there were obstacles, the detection distance became even shorter.
Fortunately, Zhao Lin could emit ultrasound. Not only did it not weaken in water, but it actually traveled faster and farther, reaching a distance of three hundred zhang.
The reason Zhao Lin dared to undertake this mission wasn't primarily his master-level Water Manipulation Skill, but his echolocation ability.
This was a huge advantage compared to other cultivators.
Based on the feedback from his ultrasound, Zhao Lin quickly formed a picture of the seabed in his mind.
