The gang ends up in New Jersey and agrees to help an American inventor to fight a fire-breathing monster that attacked the city.

Leo and his friends go to Germany to look for the legendary Brotherhood; instead, they find a Nicht Mart causing nightmares.

Leo's compass leads the airship to a secluded Italian town where locals can see ghosts, including one that turns spirits into stone.

While Leo and the gang investigate a strange monster who steals children's souls, they discover an even more dangerous threat.

Group defies a snowstorm to find a portal to Quetzalcoatl world but to get through it they must enter into a contract with a mythical wolf.