To avoid the risks of piracy and bans:
A: None. Save data is stored independently on the Switch's NAND. You can start with an XCI, switch to an NSP, and your save file remains intact. pokemon scarlet switch nsp xci dlc actualizaci
The DLC for Pokémon Scarlet is titled The Hidden Treasure of Area Zero. It is split into two parts, and both are required for the complete "endgame" experience. To avoid the risks of piracy and bans: A: None
An NSP (Nintendo Submission Package) is a digital eShop dump. These are the files Nintendo sends directly to your console when you download a game online. Which one should you download for Pokémon Scarlet
Which one should you download for Pokémon Scarlet? If you are using a CFW Nintendo Switch (Atmosphère), the standard recommendation is to grab the Base NSP and then download the Update NSP and DLC NSP separately. If you are using an emulator (Ryujinx/Yuzu), both formats work, but XCI is often preferred for simplicity, as you can sometimes merge the update into the XCI.