: Attempting to defend Izzy, Tentomon digivolves for the first time into his Champion form, Kabuterimon , and uses his "Electro Shocker" (Mega Blaster) to destroy the Black Gear controlling Andromon.
Andromon, a powerful Ultimate-level machine Digimon, is infected by a Black Gear and attacks the children. Digimon Adventure Episode 5
Izzy (Koushiro) wanders off to investigate the machinery and finds a secret room with a large power source. : Attempting to defend Izzy, Tentomon digivolves for
: The children encounter Valdurmon's spirit, which explains the history of a massive ancient war between light and dark Digimon. : Attempting to defend Izzy
: They learn their goal is to find the "Holy Digimon" to prevent the dark forces from invading both worlds.