The Korbonos parasite was discovered by the Nkhasgi Tribe in Kijuju sometime in 3000 B.C. It's origin is unknown. However, tribal writings indicate that it capiable of giving the infected host superhuman like reflexes. After years of war with the Nkhasgi Tribe, they were finally able to contain it under Kijuju so it could never be used again. It is believed that the Korbono parasite are the ancient Las Plagas.