C3475 Thousands of Miles of Thunderclouds

"This is Stormy Island? What a terrifying thundercloud, covering an area of several tens of thousands of kilometers. It's too shocking."

In an unfamiliar sea area, the sea water below was deathly silent. Above the sea, there were dense dark clouds. Thunder snakes constantly flashed and formed a line. The rumbling sounds were continuous and terrifying.

Below the thunderclouds