BioThunderbirdmon

BioThunderbirdmon is the first Digimon form of Kouki in Digimon Savers, based on the Armor Digimon Thunderbirdmon. Only one difference, in that BioThunderbirdmon is an Ultimate-level Digimon.

Digivolutions

 * Ultimate (Perfect) - BioThunderbirdmon
 * Mega (Ultimate)

Attacks

 * Thunder Storm