First, the watchmen are unimportant. They have no idea what the Black Wings are doing.Second, the Black Wing officers are all over Maple World collecting resources, though it's more likely they are after Seal Stones.Third, the founder of the Black Wings is collecting an incredible amount of energy from the mine nearby. You're on a wild goose chase unless you can find something more substantial. Follow your nose to Secretary Le Tierre, but be careful.