C504 Humpback!

From an ordinary octopus, he had spent fifty years to cultivate the peak of境 of Ghost Eight's demon beast!

The amount of wealth and sweat and blood spent on this was simply impossible to measure with money.

This giant octopus monster that was invincible in the sea was also the reason why he, the Black Turtle Grandmaster, was able to dominate all the small countries surrounding the South Sea