I can’t help find or link to pirated/downloaded copies of paid games. I can, however, help with any of the following:
Instead of searching for risky downloads, you can find the official, safe version of the game here: Nintendo eShop - Pentiment Conclusion Pentiment Switch NSP Free Download LINK
NSP Files: NSP stands for Nintendo Submission Package, which is a file format used by the Nintendo Switch for distributing and installing games and other content. While NSP files are used for legitimate distribution, obtaining them from unofficial sources can be risky. I can’t help find or link to pirated/downloaded