Han Fei's speed wasn't very fast.
The so-called Dark Waters were actually because of the large geographical area and the extremely complicated undersea forest layout, so there could be many sea demons lurking here.
Or rather, because of the Fearless Barrier, many sea demons would choose to cultivate in the Dark Water to break through to the Sea Spirit Realm after crossing the Fearless Barrier.
Similarly, in addition to the human race and the sky race, the Insect race and the Tree Demons would also take root in the Dark Waters. The two sides often fought in secret. Therefore, in the Dark Waters, there were actually abundant resources and it was very suitable for training.
This was the tacit understanding between the Sea Clan and Water-Wood World. This was a trial field for Sea Spirits or Law Enforcers on both sides.
"Pfft!"