What do you when beat the Pokemon leag on fire version?

1. After defeating the Elite Four and Champion, you will unlock the Sevii Islands. To access the Sevii Islands, defeat Celio in the Vermilion City Gym.

2. Once you defeat him, you will be able to access the Sevii Islands via the boat in Vermilion City.

3. There are seven islands in total, and each one has its own unique set of challenges and rewards.

4. Once you have completed the Sevii Islands, you can challenge the Kanto Champion again for a rematch.

5. You can also challenge the Red, who is a powerful trainer located on Mt. Silver.