The Heavenly Spirit Boat sailed smoothly across the pitch-black sea. The runes on the bottom of the hull emitted a soft silver glow, illuminating the water within a ten-foot radius. Ling Xiao leaned against the railing, his gaze casually sweeping across the sea, when his pupils suddenly contracted.
About thirty feet beneath the surface, a massive shadow was pacing the ship at the exact same speed. Its outline was blurred, but it was vaguely discernible as some kind of serpentine creature, at least three hundred feet in length.
"Yuantong," Ling Xiao transmitted his voice calmly, "Seven o'clock, underwater."
Chapter 503