Aldred got attacked by a bunch of sea monsters on the way back, but he killed them all. What Tulban said was right. Monsters would viciously attack anything that moves on the surface. If not for the immense battle that was going on right now, there would be more monsters chasing after him.
After he returned to The Mother of Destruction, Burchard reported that he had lost one cruiser and two destroyers.
Aldred slammed the table. "Fucking pirates! I will kill every single one of them if I have the chance!"
…
There was a skull island on the southern sea, veiled by mountains and thick mist, many went in but were never seen. But if a person were peering through the mist and traveling past the maze-like canal, one would notice a volcano in the shape of a skull. Both its eyes lit up red with bubbling lava within it.