Hi nice to meet you. My name is pokemon fan 1442. So you want Mewtwo? O.K.. first thing you have to beat the Elite4, then go to one island go to that big pokemon center talk to that guy (his name is Cleio) he will ask you a favor. second thing you have to do is go to mt.ember (where molters is)you,d see a hiker go right from him you will see two rocket guys kill them go in a cave go forward into the cave till u get to the ruby. go back to Cleio, give him da ruby he will give u a rainbow pass (lets u go to islands 1 through 7) go to island 6 go to ruin vally in order to get there keep going right then go down (try to avoid battles) untill u see stairs...go up stairs go down untill u see more stairs go left to finda patch of grass now u r in ruin vally go into patch of grass untill u go into two zig zags then go left then down then right go into a nother zig zag till u find stairs, go up stairs go up go right till u see trainers go down try to avoid em (there trickey) when u get to da end u wil se a patch of grass go down the stairs till u see the dotted hole ( use cut on the door) go in. go through the hole u see in front of u, u will encounter 4 more holes go into the top one first then left one then the bottom one then u will see da saphire if u try to take it a man will come in he will take it from u go through the ladder u see on the right then u go out of the cave.(if one of ur pokemon knows fly go to 5 island then go down stairs go round then go to a narrow path go upstairs go through grass then go down till u see a werehouse go through a maze when ur through talk to this guy sitting he will give u the saphire go to 1 island give the sapire to clieo go back to guy at curulian cave he will let u through go through the cave to find mewtwo.THE END (if it doent work comment on wat diddnt work)