C279 Blue Whale King
Very few people knew exactly how big the South Coast Sea was. At least, most of the people in the South Beach Alliance didn't know either.
The only thing they were certain of was that the sea realm belonged to Sea Demons. There were countless Monstrous Beasts, and there were even too many powerful ones. However, to them, the Nanbin Islands were not even much, so they had no interest in them