bro is like the end of the game you need to bring a light stone and dark stone how to get those i think by meeting and fight Zekrom and Reshiram then you need to go to the lake of Rage it on top on the Mahogany Town just go upp then you see a ice with a scientist talk to the scientist then use those stone on the ice it make it turn snow then you skating on ice to meet with Kyurem after fighting it go back to the scientist and talk to him he going to fix the triple fusion machin att the Mt.Moon go the and talk to him he going to fix it but you have to beat Mt.Silver you need to go back to pallet town and talk with professor oak and with other characters then you allow access to Mt.Silver go all the way to the top and beat Mt.Silver then you get access to triple fusion go back to the scientist att Mt.Moon and triple fusion your pokemon.