The launch version of Bloodborne is notoriously broken in emulation. NPC summons do not pathfind correctly, the famous "Ladder Glitch" can crash the game, and load times exceed 60 seconds. The v1.09 update PKG fixes over 200 known issues.
Copy the CUSAXXXXX_base.pkg and CUSAXXXXX_update_v1.09.pkg into a folder named PKG on your USB drive. bloodborne ps4 rom pkg update verified
If you have a jailbroken PS4 or are exploring the emerging PS4 emulation scene (like ShadPS4 on PC), you have likely searched for the elusive The launch version of Bloodborne is notoriously broken