Console game modding has historically lagged behind PC due to locked filesystems and signature checks. For Bloodborne (CUSA00900), the v1.09 patch (2020) was the final official update, primarily fixing bugs and performance. Modders targeting this version face unique obstacles because newer PS4 firmware (10.00+) blocks known exploits. This paper documents the toolchain used for v1.09 mods, focusing on the Old Hunters DLC content (CUSA03023, embedded within the same title ID).

Below is a in the style of a conference proceeding or a digital humanities/game studies technical report.