章 879: Chapter 680: Black and Gray, World Invincible, How to Break It?

Encountering the Black Tide twice in one day could no longer be explained by luck.

Fortunately, the turtles were sent by the Dragon King specifically to escort Zhang Chi back to the Fallen Star Sea. Although their combat strength wasn't strong, they were incredibly fast in the sea.

All nine turtles were ancient species, and their normal travel speed in the water was faster than a Harmonization Powerhouse flying at full speed. When faced with danger, they could accelerate even faster, reaching speeds comparable to a Heaven Realm Expert teleporting through space.

Of course, this accelerated movement might not last. Once they had escaped the Black Tide, the turtles slowed down and their travel speed decreased significantly.

"There must be some abnormal situation at sea, otherwise there wouldn't be so many Black Tides."

Although Zhang Chi's previous knowledge of the sea was limited, he still understood the general situation.