If your trying to get the Merciless trophy afther youve finished the game and didnt get enough stomp kills (L2 + square). like the guide said go to amanda 1-3 to kill the guy that runs out of the room, however if he doesnt fall or the stomp fails, use the checkpoint option, if he does get killed the way you want dont load JET. get the key from him and walk out the door till your in the surgery office where you see the litle cutscene adn the game gets saved, afther this u can use the load game option, do this 5 times to get the trophy.
Thanks for that post gazlad. I just spent the morning trying to get the Merciless trophy to get the plat, I gave up after about 10-15 stomps and no ding. I'll give it another go now.
Felt like I needed to join just to say thanks.