Digivolution is a process in the Digimon franchise where a Digimon transforms into a more powerful form. This transformation often involves a change in appearance, abilities, and strength. Digivolution can occur through various means, such as gaining experience in battles or using special items. In the Digimon series, each Digimon has specific forms they can evolve into, often categorized into different stages like Rookie, Champion, Ultimate, and Mega. The process is a key element of the storyline, showcasing the growth and development of the Digimon and their bond with their human partners, known as Tamers.