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>In an interview with Junichi Masuda, it has been stated that there won't be many new additions, rather they wanted to focus more on the environment
>"We really wanted to focus on the environment this time. We completely changed the environment of every forest and cave to make them look more appealing, so you can explore a place with a new sense of wonder."
>Mr. Masuda then talked about Z-moves. "We like to introduce new functions for the games so the games stays fresh. In X and Y, we introduced Mega Evolution. In Sun and Moon, we introduced Z-moves. What this means is that your Pokémon can fire a stronger move than usual. In Ultra Sun and Ultra Moon, they're back with plenty of new Z-moves". When asked if Mega Evolutions will make a come back, Junichi Masuda said that they will not introduce any new Mega Evolutions this time, as they wanted to focus on Z-moves.