Package File | Bloodborne

I assume you meant to ask about the research paper "Deep Paper: A Large-Scale Study of Package File Formats" or a similar work. However, I couldn't find any specific information on a paper with that title.

If you're interested in learning more about the Bloodborne Package file format, I can suggest some resources: bloodborne package file

Critics argue that looking at package files is "cheating" or seeing the magician's ugly workshop. They are wrong. The Bloodborne package file is the game’s most honest document. The final game is a masterpiece of illusion; the package file is the reality of game development—a messy, glorious, frantic effort to meet a deadline. I assume you meant to ask about the

If you are referring to a modified game package (often a pkg file) used to mod the game on a modded PS4 (commonly used for "Bloodborne Kart" or Challenge Mods): They are wrong

We see that the Moon Presence was originally just a reskinned Dark Sun Gwyndolin from Dark Souls (the rigging files prove this). We see that the Chalice Dungeons were meant to be procedurally generated in the main campaign but were quarantined due to loading times. By reading the package file, we learn that Bloodborne is not a singular vision delivered from on high, but a beautiful accident of cuts, pastes, and compromises. The true horror of Yharnam is not the beasts; it is the hard drive full of discarded ideas that might have been better.