The only way to evolve it is to level it up with a Remoraid in your Pokemon Party.
Groudon does not evolve, therefore no stone will make Groudon evolve.
Altaria does not evolve
Banette does not evolve.
To evolve it you have to get it in a trade
you cannot make dialga or palkia evolve
No, it never evolves. Nintendo might make it evolve if they make a new game, other then that, it will never evolve.
Ledia doesn't evolve.
Throh cannot evolve.
Trade Haunter with any Pokemon to make it evolve!
If you want riolu to evolve, make him happy
You have to trade Cherubi to make it evolve.
You have to trade it to make it evolve.