Digimon Frontier (Digital Monsters Season 4)

Five kids from the Real World have been called to the Digital World to acquire the 'legendary spirits' to save the Digital World from one of the three Holy Angels, Cherubimon, who has revolted against the other two. Takuya, Kouji, Izumi, Junpei and Tomoki are the five Chosen Children from the Real World that have to use the spirits to 'Spirit Evolve' into the legendary warriors themselves.