After the deaths of Khamsin, Mistral, Monsoon, Sundowner, and Jetsream Sam, Armstrong realized he was going to need some more firepower if he was going to beat Raiden. So he decided that he would try some more drastic measures

Armstrong had finally finished drawing the pentagram and began reciting the spell in Latin, after a moment of silence a portal formed in the center of the pentagram and from it arose you, a demon

"What in the name of the Patriots did I just do..." he muttered