i do have most of the files you mentioned ripped, friend of mine also wanted to play bloodborn and wanted them. DM me and i will send them your way

1. Yes, at least the ones that use steam should work without too much trouble, not sure about the ones that use epic for multiplayer
2. Yes, trainers work with pirated copys, i did have some issues with wemod a few years ago and dont know if anything changed since then but i do know that fling trainers work