Mini-battle against possessed musical equipment, and then a battle against Chandelure with his Litwick and Lampent allies. Defeat them and Gothitelle, Gothorita and Gothita will appear and tell you more about Wish Park. The bridge will open and will allow you to it the bell and heal the Pokémon. You can now return and are told to go to the Rock Area

Servine and Pignite are now in the Port Town in order to teach Snivy and Tepig their moves, even though Tepig isn't obtained at this point.

Once in Rock Area, you'll meet Victini who will tell you that Tepig is in the area. You will find him in the cannon in the middle. Take the special box to the cannon and it'll fire, releasing Tepig. Battle him and he'll join