Lucky Boo is a unique and quirky character in Zenless Zone Zero, a popular urban fantasy action game. As a mascot-like entity, Lucky Boo is recognized for their playful demeanor and their role as a helpful assistant within the New Eridu city. They often appear during key moments to offer guidance, comic relief, or useful information to players. While not a combatant, Lucky Boo's energetic personality and distinctive appearance make them a memorable presence and a fan favorite in the series.