what is the rarest pokémon in the world?
who ever wrote that is an idiot ... the rarest Pokemon is mewtwo ... mew can not be obt â¦ ained in fire red ... and you get mew two by getting the ruby and Sapphire and then you go to cerlean cave to get mew two after u have completed the E4 and have gotten the ruby and Sapphire ... i hoped i helped.