Once you have filled your Kill meter and you only have one opponent left, a charge up
sequence will begin. When the camera starts panning around your character, this is the time to press and hold the correct button combination for the Thrill Kill finisher you wish to perform. After the lightning stops, you can release the buttons. Now just attack your opponent with any button to initiate the kill animation. Please note, if you held an incorrect button combination during the charge up sequence, your character will perform their default Thrill Kill finisher, instead.