At the top of the moutain get 2 golems a poliwherl and blaziken.first golem must smash the rock in the way next get poliwherl to spit water at the plant get a secend golem to smash the door down then go in.You will find a ice berg and lots of gasley's get the blaziken to melt the ice berg and the walk up You will find regirock P.S I have to thank the guy who gave me the regice trick so thanks allot now i have the three regi's at my possetion ha ha ha ha ha ha ha ha so spank you come again