Soul Land Iv - The Ultimate Combat. The federal expedition team at Douluo found an egg in the Northernmost Land with golden and silver shapes. They noticed inside after detecting signs of life. They were able to carry it back to their incubation center. The egg hatched and a human baby emerged; at the same time, a silver-haired woman was unfreezing at the Federal Academy of Sciences, and a blue-haired young man was found on the waterfront.