After obtaining all eight Gym Badges, you can go through Victory Road and into the Hoenn Pokémon League to battle the Elite Four and Champion.
Elite Four Sidney
Mightyena
Sidney has a level 50 Mightyena. It is weak to Fighting, Bug, and Fairy attacks.
The Mightyena can cause confusion with its move Swagger. Its attacks are all physical. It has Normal and Dark attacks. Its ability is Intimidate, which lowers your pokémon's Attack.
Shiftry
Sidney has a level 50 Shiftry. It is very weak to Bug attacks, and is weak to Fire, Ice, Fighting, Poison, Flying, and Fairy attacks.
The Shiftry knows a Normal, Dark, and Grass physical attack, and a Psychic special attack. The Shiftry's ability is Chlorophyll, which increases the Shiftry's speed if there is harsh sunlight.
Cacturne
Sidney has a level 50 Cacturne. It is very weak to Bug attacks, and is weak to Fire, Ice, Fighting, Poison, Flying, and Fairy attacks.
The Cacturne can sap your HP with Leech Seed. It knows a Grass and Dark physical attack.
Sharpedo
Sidney has a level 50 Sharpedo. It is weak to Grass, Electric, Fighting, Bug, and Fairy moves.
It can inflict poison with Poison Fang, a physical Poison attack. It also knows a Dark, Water, and Normal physical attack.
Absol
Sidney has a level 52 Absol. It is weak to Fighting, Bug, and Fairy moves.
Its attacks are all physical. It knows a Flying attack, Dark attack, Psychic attack, and Normal attack.
Phoebe
Dusclops
Phoebe has a level 51 Dusclops. It is weak to Ghost and Dark moves.
It can cause confusion with Confuse Ray. It knows a Ghost and Psychic physical attack. It can also use Curse, cutting its own HP in half to cause you damage each turn.
Banette
Phoebe two level 51 Banettes. They are weak to Ghost and Dark moves.
One of the Banettes can inflict Burn with Will-o-Wisp. This Banette has a Ghost special attack and a Dark physical attack. It also knows Spite, which reduces the PP of the move the target used last.
The other Banette can inflict poison with Toxic. This Banette has a Ghost special attack and a Psychic special attack. It also knows Grudge, which will remove all the PP of the move that caused it to faint.
Sableye
Phoebe has a level 51 Sableye. It is weak to Fairy moves.
It has a Ghost physical attack, a Dark physical attack, a Normal physical attack (which can only be used on the first turn), and a Rock special attack.
Dusknoir
Phoebe has a level 53 Dusknoir. It is weak to Ghost and Dark moves.
It can use Hex, a Ghost special attack that is twice as powerful if your pokémon has a status condition. It also knows an Electric physical attack, Ice physical attack, and Fire physical attack.
Glacia
Glalie
Glacia has two level 52 Glalies. They are weak to Fire, Fighting, Rock, and Steel moves.
One Glalie's attacks are Ice type and Dark type.
The other Glalie's attacks are both Ice type.
Froslass
Glacia has two level 52 Froslasses. They are weak to Fire, Rock, Ghost, Dark, and Steel moves.
One of the Froslasses can cause confusion. This Froslass has an Ice and a Ghost attack.
The other Froslass has a Fairy, Ice, and Ghost attack.
Walrein
Glacia has a level 54 Walrein. It is weak to Grass, Electric, Fighting, and Rock moves.
It has a Water attack, two Ice attacks, and a Normal attack.
Drake
Altaria
Drake has a level 53 Altaria. It is very weak to Ice, and is weak to Rock, Dragon, and Fairy moves.
It has a Flying attack, Dragon attack, and Fairy attack.
Flygon
Drake has two level 53 Flygons. They are very weak to Ice, and are weak to Dragon and Fairy moves.
One of the Flygons has a Ground attack, a Rock attack, and a Dragon attack.
The other has a Fire attack, Dragon attack, and Normal attack.
Kingdra
Drake has a level 53 Kingdra. It is weak to Dragon and Fairy moves.
It has a Dragon attack, a Water attack, and an Ice attack. It also knows Yawn, which can inflict Sleep on your pokémon.
Salamence
Drake has a level 55 Salamence. It is very weak to Ice, and is weak to Rock, Dragon, and Fairy moves.
It has a Dragon attack, a Psychic attack, a Dark attack and an Electric attack.
Champion
Skarmory
Steven has a level 57 Skarmory. It is weak to Fire and Electric moves.
It has a Flying attack and a Steel attack. It can also inflict Poison, and it can put spikes on the ground that damage your pokémon when you switch them out.
Claydol
Steven has a level 57 Claydol. It is weak to Water, Grass, Ice, Bug, Ghost, and Dark moves.
It has a Psychic attack and a Ground attack.
Aggron
Steven has a level 57 Aggron. It is very weak to Fighting and Ground moves, and is weak to Water moves.
It has a Rock attack, Ground attack, Steel attack, and Dragon attack.
Cradily
Steven has a level 57 Cradily. It is weak to Ice, Fighting, Bug, and Steel moves.
It has a Grass attack, a Rock attack, and a Poison attack. It can also cause Confusion.
Armaldo
Steven has a level 57 Cradily. It is weak to Water, Rock, and Steel moves.
It has a Bug attack, a Rock attack, a Steel attack, and a Normal attack.
Metagross
Steven has a level 59 Metagross that he will Mega Evolve into Mega Metagross. It is weak to Fire, Ground, Ghost, and Dark Moves.
It has two Steel attacks, a Psychic attack, and a Normal attack.
One of its Steel attacks is Meteor Mash, which has a chance of increasing the Metagross's attack. This can make things much more difficult if you are unprepared. Be sure to bring X Defenses or have pokémon that know a move that can reduce the opponent's attack.
After you Win
After you win, there is a cutscene. The game automatically saves, and you make a record of your pokémon in the Hall of Fame.
The credits roll, and afterward your neighbor challenges you to a friendly battle.
There will be a cutscene after this. It ends with "to be continued".
You will be returned to the title screen of the game. The next time you open your game, there will be a cutscene that begins the Delta Episode, and you will be back in your room in Littleroot.