rayquaza
There are many Pokémon much stronger than Infernape, such as Rayquaza or Arceus.
With the right accomplishments, you can link with: Terrakion, Articuno, Registeel, Groudon, Dialga, Mewtwo, Reshiram, Zekrom, Arceus, & a Shiny Rayquaza.
You have 2 fight heatran,arceus,articuno,groundoun,rayquaza,kyorge darkrao and your dad
arceus
Arceus or rayquaza
Lugia Ho-oh Latios Raikou Entei Suicune Articuno Zapdos Moltres Groudon Rayquaza (must trade for Kyogre) Dialga/Palkia/Giratina (must trade for Arceus) Mewtwo
arceus, dialga, palkia, mesprit, azelf, uxie, creselia, groudon, kyogre, rayquaza, entei, raikou, suicine, moltres, articuno, zapdos, ho-oh, lugia
Zekrom, Mewtwo, Reshiram, Groudon, Articuno, and Arceus thats wrong there's more than that. here are all the legendaries and there respective warriors: Articuno, Mistuhide. Dialga, Tadakatsu. Registeel, Ieyusa. Arceus, hero/heroine. Zekrom and Rayquaza, Nobunaga. Reshiram, Hideyoshi. Terrakion, Keiji. Mewtwo, Kenshin. Groudon, Shingen. this is the complete list of legendaries in the game. I have currently obtained Articuno, Dialga, Zekrom, Reshiram, Terrakion and Mewtwo. I have seen Articuno, Dialga, Zekrom, Reshiram, Terrakion, Mewtwo, Rayquaza and Arceus.
Bulbasaur, Squirtle, Bidoof and Poliwhirl are miles stronger than Arceus
Obviously their is darkrai and arceus
yes because arceus can be any type of pokemon
all level 100 arceus darkrai giratina rayquaza bastiodon and your starter Pokemon