Oblivious Pokemon Master

After the Eternatus attack in the Galar region, Ash decided to train and make himself more stronger to battle the Champion Leon. Professor Cerise told ash that he needs to train harder so He can reach his goal to become a pokemon master. Ash agreed and told Professor Cerise to not tell Goh and Chloe about this. Well, professor Cerise told professor Oak that Ash was gone to train in order to reach his dream. He told Oak to not tell to his old companions and rivals too. Will he become a pokemon master? What will happen to Goh, Chloe and his friends? if they found out that he was gone? Lets see :>