Leveling up stars in *Book of Heroes* is a key part of enhancing your characters and improving your gameplay. To level up a hero’s star rating, you’ll need to collect specific resources, such as duplicate heroes or star-up materials. This process increases your hero’s stats, making them more powerful in battles. To maximize your hero’s potential, focus on acquiring the required items through quests, events, or in-game purchases. Remember, strategic leveling and optimizing your hero’s gear and abilities are crucial for success in *Book of Heroes*. Keep progressing and unlocking new features to boost your hero’s strength!
