Then Rocky Is Call Out His Final Pokemon Mammothon So Ethan Is Continue Battle With Rose Then Ethan Is Told To Rose Use Vine Whip To Grasp Mammothon Front Teeth So Rocky Is Told To Mammothon Use Giga Impact Then Rose Is Knock Out Of Ring So Ethan Is Call Out Wha Before Ethan Is Come To Gym He Is Go To Pokemon Center There He Is Learn That The Gym Leader Is Use Rock Type Pokemon So He Is Call Professor And Ask Send Back Wha He Send Dokune To Professor And Recive Wha Then Rocky Is Told To Mammothon Use Giga Impact So Ethan Is Told To Wha Use Tail Smash Then Rocky Is Told To Mammothon Use Rock Smash So Ethan Is Told To Wha Use Aqua Pulse Then Rocky Is Use Omega Move Omega Impact So Ethan Is Told To Wha Use Protect Then Ethan Is Told To Wha Use Hydro Cannon And Win The Match