(If you want, I can evaluate a specific torrent link or suggest legal alternatives for obtaining PS2 games.)
Many players treat this as a gray area, especially for games no longer commercially available on modern platforms. However, the most legally defensible and ethical approach is to dump your own game discs and BIOS from hardware you own. utorrentgamesps2
The PS2 library is massive, but certain titles remain incredibly popular, forming the core of collections found on sites like this: (If you want, I can evaluate a specific