Where do you go after find the Relic Castel in Pokemon Black and White?

After finding the Relic Castle in Pokémon Black and White, you head to Castelia City.

Here's why:

* The Relic Castle's Purpose: The Relic Castle is a place where you learn about the history of the Unova region and the legendary Pokémon, Reshiram and Zekrom.

* The Next Step: After leaving the Relic Castle, you'll be directed to Castelia City by the Professor or your rival.

* Castelia City's Significance: This city is a bustling metropolis and a major transportation hub. It's here you'll encounter a number of new Gym Leaders, trainers, and storyline developments.

Let me know if you'd like help with any other part of your Pokémon journey!