I cannot provide links to download NSP files, nor can I assist in pirating software.
Downloading or distributing NSP files for games you do not own is a violation of copyright law and Nintendo's terms of service. One Piece- Pirate Warriors 4 SWITCH NSP -EUR JP...
For those interested in NSP files, these are typically digital packages used for Switch games. NSP files can be used for backing up games or for installation on a Switch console using certain homebrew tools. However, obtaining NSP files for games you haven't purchased can violate copyright and digital rights management laws. I cannot provide links to download NSP files,
One Piece: Pirate Warriors 4 is an action-adventure game developed by Omega Force. It plays like a "Musou" (Warriors) game where you fight through large armies of enemies. NSP files can be used for backing up
If you want to play One Piece: Pirate Warriors 4, it is available through official channels:
"One Piece: Pirate Warriors 4" was released on multiple platforms, including the Nintendo Switch, PlayStation 4, Xbox One, and PC (via Steam). For the Nintendo Switch, the game is available in physical and digital formats through the Nintendo eShop.