If this DLC is indeed the pre-order bonus, it grants access to as a playable unit. In the official version of the game, Guilmon is a powerful early-game addition that can evolve into Gallantmon, providing a significant advantage in the tactical battles.
: RAR files from unverified sources are common vectors for malware. If you downloaded this from a public forum or "warez" site, exercise extreme caution. DIGIMON SURVIVE [DLC][JP] NSP.rar
: Using pirated DLC on a Nintendo Switch while connected to the internet will likely result in a permanent hardware ban from Nintendo’s online services. Game Content Note If this DLC is indeed the pre-order bonus,
: This is a specific file extension used for Nintendo Switch Packages . It is the format used by the Nintendo eShop to install games and updates. If you downloaded this from a public forum
: Downloading NSP files from third-party sites is considered software piracy.