The trembling of the Black Water Spirit Pillar within Ye Zhen's spirit palace was not the ordinary kind of vibration, but an exceedingly subtle resonance, one emanating from the countless Black Water Dao Marks covering the Black Water Spirit Pillar.
It seemed as if beneath the vortex, there was a similar kind of power.
This surprised Ye Zhen somewhat. The Black Water Dao Marks on his Black Water Spirit Pillar had originally come from the Black Dragon Legacy and were a rather distinctive type of Dao Mark.
Yet beneath the vortex, there were similar Dao Marks capable of resonating with the Black Water Spirit Pillar. This gave Ye Zhen an inexplicable suspicion.
The water within the vortex was like a massive whirlpool fan, spinning faster and faster. Mere breaths after falling into the sea vortex, Ye Zhen's body was already being pulled uncontrollably toward its depths.
Since he was in the water anyway, Ye Zhen was in no hurry at all. He simply allowed the vortex to draw him down toward the seabed.
Driven by the vortex, Ye Zhen's speed grew faster and faster as he descended ever deeper into this vortex sea eye. At the same time, the faint resonance from the densely packed Black Water Dao Marks on the Black Water Spirit Pillar grew increasingly intense.
After being drawn into the vortex sea eye for nearly half an hour, Ye Zhen's vision suddenly darkened. A gigantic undersea cavern, dozens of meters tall, appeared ahead of him.
This undersea cavern was exceptionally majestic. Several symmetrical peaks, like natural barriers, rose above and below it, as though he were entering a gate of interlocking fangs.
The interior of the cavern was dark red, threaded with streaks of purple veins. Nature's handiwork was truly bizarre.
The sea vortex had slowed here,