What do you need to do if you cross mt zhery in Pokemon light platinum?

In Pokémon Light Platinum, after crossing Mt. Zhery, you should head to the next town, which is Zhery Town. Ensure to heal your Pokémon at the Pokémon Center and explore the town for items and trainers. Additionally, you may encounter new challenges and story events that will advance your journey in the game. Make sure to prepare your team for upcoming battles!