1. Continue to the Pokemon League: You can now proceed to the Pokemon League, located in Victory Road. The Pokemon League is where you'll face the Elite Four and the Pokemon Champion, Cynthia.
2. Explore Victory Road: Victory Road is a long and challenging cave that leads to the Pokemon League. It is filled with powerful wild Pokemon and trainers.
3. Complete side quests: There are several side quests that you can complete after defeating the 7th Gym Leader. These include:
- Capturing the Legendary Pokemon, Cresselia or Darkrai.
- Defeating the Battle Tower.
- Completing the Pokedex.
4. Train your Pokemon: Use this opportunity to train your Pokemon and level them up before you challenge the Elite Four and the Champion. You can do this by battling wild Pokemon or by using EXP boosters.