Donoghue was a gifted cultivator. A few days ago, he managed to tame the giant shark, and while he adapted to the sea environment, he managed to learn how to hold his breath underwater for several hours.

Under such circumstances, Donoghue went with the giant shark into the deep sea every time he rested. Unfortunately, due to that very reason, Ambrose, who had led the Blood Shark Pirates, had failed to locate Donoghue's whereabouts.

Donoghue had passed through the maelstrom the previous day