FMA 2 Curse of the crimson elixer

[Inuka23]

ok has anyone played this? you know the rumor or whatever that says if you get A's in all boss fights up to the 5th chapter you get to fight roy? HOW DO YOU DEAL WITH SCAR!!! he is driving me insane! i have beaten the game 3time and i have only beaten scar once! how to you expect to get an A on him. you can hardly touch him with out the rage attack. any answers?