Character upgrades refer to enhancements that improve a character's abilities, skills, or attributes in a game or story. These upgrades can include increased strength, speed, or special powers, allowing characters to perform better in various challenges. Players often earn upgrades through experience points, completing quests, or collecting items. Upgrades can also involve acquiring new equipment, such as weapons or armor, which can provide additional benefits. In many games, players can customize their characters by choosing specific upgrades that align with their play style, making the experience more engaging and personalized.