North Sea.
The fishing rod in the hands of the Ice Mountain Empress suddenly trembled and then shattered.
Her expression changed, disbelieving.
"How did he die... Where is Isa?"
...
To save time on his journey, Levi did not head to Dragon Palace Island.
He thought of another paradise... the underground world.
There, apart from a group of adorable black beasts, there were no other humans; he could cultivate in peace, waiting for the ancient tower to end.
He arrived at the Northern Realm Rift Valley, through which he entered the underground world.
Last time Levi hunted countless black beasts here.
Years had not come, but it seemed that the population of black beasts inside had recovered somewhat.
As he ventured deeper, that sense of danger began to linger incessantly.
The underground world harbored some powerful lords of black beasts, with the Level 6 Thunder Giant Shell mentioned by the shell demon mistress possibly being one of them.