>>19546314you need to catch all pokemon including event pokemon, except one, and then you'll receive a special ticket and travel to a mossdeep city. there you'll get on the rocket and travel to the Moon where you'll find a truck. you then need to use strength on the truck and under it you'll find Mew. You need to catch Mew. After you catch it you'll then travel to PokeMars and there you'll find Tentaquil
