* Scans: Serebii likely relies on fans who purchase CoroCoro magazine and scan the relevant pages. These scans are then shared online, often on forums or image boards.
* News Sources: There are Japanese news outlets and websites that report on the contents of CoroCoro magazine. Serebii likely monitors these sources for information.
* Direct Contact: It's possible Serebii has contacts within the Japanese gaming industry, including individuals involved with CoroCoro magazine, who provide them with advance information.
It's important to remember that obtaining information from CoroCoro magazine, especially new Pokémon information, involves a combination of effort and trust. Serebii likely uses a mixture of these methods to stay up-to-date and provide reliable information to its readers.