Shao Kahn: To defeat Kahn all you have to do is uppercut him while he does his Upward Charge or Kick. If your Noob Saibot give him the disabling could and uppercut him or combo him several times.
Motaro:In the beginning his usual first act is to trip you.Just duck and block then when he jumps over your head uppercut him. Dont be scared yo get up because he will teleport then grab and punch you which is worse. Projectiles will be shot back at you. (Missles, Clouds, Fireballs, fans, Sai's Acid, etc...) If you know the cheat to get unlimited runs you can run at him FAST and give him a combo then backflip out of his way. Rayden's Uppercut combo will do the lightning dash which will buy you time to run away.