From the ocean. Chenghai regiment is a regiment derived from Chenghai chapter in Collapse 3, which is called the regiment that captains don't need to worry too much about. In Collapse 3, Chenghai Group is a team in the game, which is composed of characters in the game. They have strong fighting capacity and superb technical level, and are the elite team in the game. Because of its outstanding performance in the game, it is called Chenghai Group by players.