To catch Necrozma in Pokémon games, you will first need to encounter it in the Ultra Megalopolis or in the Ultra Wormhole. Once you encounter it, you can battle it and try to weaken it to increase your chances of catching it. It is recommended to use Ultra Balls or Dusk Balls to catch Necrozma, as they have a higher catch rate in Ultra Space. Additionally, using moves or abilities that can inflict status conditions like sleep or paralysis can also make it easier to catch Necrozma. Good luck! **

After defeating Necrozma, you can continue exploring the game world, completing any remaining tasks or side quests. You can also focus on training your Pokémon team, participating in battles, or challenging other trainers. Additionally, you can work towards completing the Pokédex, searching for rare Pokémon, or participating in online battles and trading. Lastly, you can also explore post-game content, such as battling tougher opponents or completing additional storylines. **

When Necrozma has been defeated in battle, you can try to catch it by using a Master Ball or other powerful Poke Balls. If you were unable to catch it, you can try to encounter it again by resetting the game or waiting for it to respawn in the same location. Alternatively, you can focus on training your other Pokemon and continuing your journey in the game. **

It is difficult to definitively say which Pokémon is stronger between Solgaleo, Lunala, and Necrozma as each of them has unique strengths and abilities. Solgaleo is a Psychic/Steel type with high attack and defense stats, Lunala is a Psychic/Ghost type with high special attack and special defense stats, and Necrozma is a Psychic type with high overall stats and the ability to absorb light energy. Ultimately, the strength of a Pokémon can depend on factors such as its moveset, strategy, and the specific situation it is in. **

Yes, many players have defeated Necrozma in Pokemon Ultra Sun. Necrozma is a challenging Legendary Pokemon that requires strategic planning and strong Pokemon to defeat. Players often use a combination of type advantages, status moves, and powerful attacks to overcome Necrozma in battle. With the right team and strategy, defeating Necrozma is definitely achievable in Pokemon Ultra Sun. **

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To defeat Ultra-Necrozma in Pokémon Ultra Sun, you will need to have a well-balanced team with strong Pokémon that can resist its Psychic-type attacks. Dark-type Pokémon are particularly effective against Ultra-Necrozma. Additionally, using Pokémon with moves like Toxic to inflict poison or moves that lower its stats can help weaken it. It's also important to have healing items and revives on hand to keep your team healthy during the battle. **

After catching Necrozma in Pokémon Moon, you can continue to explore the Alola region and complete the Pokédex by capturing more Pokémon. You can also challenge the Battle Tree, participate in online battles, and trade with other players to further enhance your collection. Additionally, you can focus on training your Pokémon, participating in various in-game events, and completing side quests to further immerse yourself in the game's world. **