Ok so the slow-motion is just an action set to game play with the time warp altered down to a lower number. So add in an action, put it where you want your character to slow down. set the opacity to zero so you can't see it, Change action to gameplay then scroll down and lower there number, i think default is 50, so change it to maybe 10 or 20, or whatever you want and the duration to as long as you like, maybe 1, 2 or 3.
