2. Find a secret base location. There are many different secret base locations throughout Sinnoh. Some of the most popular locations include:
* The small island in Route 218
* The cave near the entrance to the Lost Tower in Route 213
* The house in Pastoria City that is under construction
3. Use the Secret Base Kit. Once you have found a secret base location, use the Secret Base Kit to create your base. You can choose the type of base you want to create, and you can also decorate it with furniture and other items.
4. Recruit team members. You can recruit other players to join your secret base team. To do this, talk to the person you want to recruit and select the "Recruit" option.
5. Battle other teams. You can battle other teams' secret bases by talking to the person at the entrance of the base and selecting the "Battle" option. Secret base battles are 2-on-2 battles, and the winner is the first team to knock out both of their opponents' Pokemon.
6. Earn points and rewards. You can earn points by winning secret base battles and by completing secret base missions. You can use points to buy items from the Secret Base Shop, and you can also use them to upgrade your secret base.