Watch: Street Fighter 5's Devastating Two-Hit K.O.

A direct-feed recording of Rainbow Mika, the latest addition to Street Fighter V's character roster, shows that the powerful pro wrestler can deplete an opponent's entire health bar with just two devastating moves.
In fact, it's possible that R. Mika will be able to win entire rounds with just a single special move. 

In a nod to American pro wrestling, the footage shows R. Mika deliver an eighteen-second promo on the mic. This is activated holding down the medium punch and kick buttons, and throughout the speech, Mika goes through five separate stages of buff (each one marked by a circular ripple effect). If the entire promo is delivered without interruption, Mika will have summoned enough strength to knock out characters with little more than a punch and throw. (Because the punch came before the throw, it's difficult to determine whether the latter would have sufficed on its own.) Mika's knock-out throw is actually a special move called the Rainbow Typhoon, which is a nod to an old pro-wrestling manoeuvre called a giant swing. It can be activated by inputting a half-circle-back and punch, as shown on this Mika command list, while the damage of the move gradually increases based on how much charge has preceded it.