Bloodborne v1.09 patch (specifically for the region) is a critical update released on December 21, 2015, which serves as the foundational version for modern modding, particularly for the unofficial 60FPS patch and PC emulation through Key v1.09 Patch Features Weapon Adjustments : Balanced strength and stamina costs for several weapons. Insight Shop Upgrades : Added the ability to trade for Blood Stone Chunks (reduced from 30 to 20 Insight) and Blood Rocks (60 Insight) after reaching a certain point in the game.
: Fixed inventory issues for Poorman gems and resolved a dialogue bug where the Doll would fail to trigger specific lines for "The Old Hunters" DLC. Modding & DLC Compatibility (CUSA00900) This specific region ID (
) is the European/Global version most commonly targeted by the modding community.
The Bloodborne v1.09 update, identified by the region code CUSA00900 (North America), is the final major patch for the game. It primarily integrated the The Old Hunters DLC assets into the base game files and introduced significant balance changes, such as the ability to purchase high-level upgrade materials. Patch v1.09 Key Features
This update significantly improved "Quality of Life" for players by reducing the need for repetitive farming: Insight Shop Upgrades:
Blood Rocks: Now purchasable for 60 Insight after defeating a specific late-game boss (Mergo's Wet Nurse). Blood Stone Chunks: Price reduced from 30 to 20 Insight.
Weapon Balancing: Adjusted the strength and stamina costs for several weapons to refine combat flow.
Item Storage: Increased the storage limit for Blood Vials and Quicksilver Bullets from 99 to 600.
Visual Fixes: Added a blood-trail effect to the Chikage's two-handed attacks and corrected the Blood Moon's display in the Hunter's Dream. The Old Hunters DLC Content
While patch v1.09 installs the DLC data, access requires a separate license or the Game of the Year (GOTY) edition. The Old Hunters | Bloodborne Wiki
If you are looking for a complete package for Bloodborne (CUSA00900) specifically updated to version 1.09 with the Old Hunters DLC and mod support, Core Components ID: CUSA00900 (European Region).
Version 1.09: This is the final official update for the game. According to the Bloodborne Patch Notes on Reddit, this version adjusted stamina costs for weapons and reduced the Insight cost for Blood Stone Chunks from 30 to 20.
The Old Hunters DLC: The only official expansion for the game. To access it in-game, you must defeat Vicar Amelia and pick up the Eye of a Blood-Drunk Hunter in the Hunter's Dream. Modding & Community Content
For users on modded systems looking for "CUSA00900" specific content, common community mods include:
60FPS Patch: The most popular mod, created by Lance McDonald, which unlocks the frame rate (often requires a PS4 Pro or PS5 for stability).
Cheat Menus: Often found in trainers or modified .eboot files to allow for infinite health or items.
Debug Menu: Unlocks hidden developer tools to warp between areas or spawn enemies. Important Notes for Installation bloodborne v109 dlc et mods cusa00900
Match the CUSA: Ensure your base game, update, and DLC all share the CUSA00900 ID. Mixing regions (e.g., CUSA03173) will cause the DLC or save data to fail to load.
Save Compatibility: Saves are locked to the CUSA ID. If you switch from a physical disc of a different region to this digital version, your progress will not carry over without a save resigner tool.
DLC Integration: In version 1.09, the DLC data is actually included in the patch itself; the "DLC" file you install is typically just a small license activator.
For hunters looking to optimize Bloodborne (CUSA00900) The Old Hunters DLC
and mods, achieving a stable setup involves ensuring correct file installation and leveraging specific community patches. Accessing the DLC (v1.09)
In version 1.09, the DLC data is technically already present in the base game files to support multiplayer compatibility; you typically just need a small license file or a patch to unlock it. Activation Steps Vicar Amelia and interact with the skull in the Cathedral. The Missing Item : Return to the Hunter's Dream
. If correctly installed, a messenger on the stairs will give you the Eye of a Blood-Drunk Hunter Troubleshooting (CUSA00900)
: If the item doesn't appear even after updating to 1.09, community members on suggest using a 60 FPS patch Nexus Mods which includes an XML tweak to "Force Enable the Old Hunters DLC" in the emulator's cheat/patch menu. Essential Mods and Performance Patches Modern setups (especially on emulators like ) rely on these key modifications: 60 FPS & Frame Pacing
: Use the 60 FPS patch (often by Lance McDonald) along with "Proper Frame Pacing" to fix the original 29fps cap and stuttering. Visual Enhancements Disable Chromatic Aberration & Motion Blur : Highly recommended for a cleaner image. Resolution Patches
: You can scale the resolution to 720p (best for performance) or up to 1440p+ depending on your hardware. Utility Mods Bloodborne Launcher
simplifies mod management, allowing you to install files from Nexus Mods directly into your CUSA00900/dvdroot_ps4 directory. The Old Hunters | Bloodborne Wiki
This combination of terms refers specifically to the PS4 version of Bloodborne (CUSA00900), updating to patch 1.09 (the final balance/performance patch), plus The Old Hunters DLC, and the possibility of mods (unofficial modifications).
Here’s why this is interesting to players:
.pkg to be installed, others overwrite DLC maps.What mods exist for this specific version?
Important limitation:
Most “Bloodborne mods” you see online (like Rivers of Blood, Malenia boss fight, Bloodborne Remastered) are designed for shadPS4 (PC emulator), not for real PS4 CUSA00900. Trying to install those directly will crash the game.
If you want to mod CUSA00900 v1.09 + DLC on a real PS4: Bloodborne v1
CUSA00900-mod.pkg from trusted modding forums (e.g., Nexus mods console section, PS4 modding subreddit)..pkg or using layeredFS (via GoldHEN).Would you like a link to a verified modding guide for CUSA00900 1.09, or a list of safe, working mods for that specific region/version?
The Hunter’s Patch
The workshop was silent, save for the rhythmic scrape of the Modder’s quill on parchment. Unlike the hunters of old, Cyrus did not wield a saw cleaver. His weapon was a datasphere—a cracked, rune-etched hard drive labeled CUSA00900—the base address of Yharnam’s nightmare.
For three years, he had traversed the vanilla game. He’d slain Mergo’s Wet Nurse, freed Orphan of Kos, and let Gehrman take his head a dozen times. But vanilla was milk. He craved blood, new blood. That’s where the mods came in.
First, he installed the Old Embers mod. It replaced all torch-wielding beast patients with smoking, charred husks that whispered the names of real-world wildfire victims. Too on the nose. He uninstalled it.
Then came the DLC Unlocker v109. Officially, The Old Hunters ended at the Fishing Hamlet. But v109 claimed to access a hidden stratum: The Clockmaker’s Grief, a cut area where a giant, weeping pendulum boss manipulated the very frame rate of reality. Cyrus installed it. The game crashed seventeen times before booting to a gray skybox. He walked for an hour across a flat, textureless ocean. There was no boss. Only a single NPC doll, kneeling, repeating: "You are not meant to iterate this."
He should have stopped.
Instead, he found a community mod titled Bloodborne: Nightmare Unpatched. It required CUSA00900 and the v109 framework. The description was a single sentence: "Restores the original, unfinished hunt. No lamps. No resurrection. One save. Do not summon."
Cyrus, drunk on paleblood moonshine, clicked merge.
The screen flickered. His PlayStation groaned. Then the room went dark—not the blackout of a power failure, but the sucking dark of a cathedral ward after you’ve broken all the lanterns.
When his eyes adjusted, he wasn’t in his chair.
He was kneeling in a puddle of oil and mercury on a cobblestone street. Above him, a sickly moon hung broken, like an eggshell. His HUD was gone. His right hand held a broken Ludwig’s Holy Blade—the hilt, anyway. No blood vials. No echoes. And in the corner of his vision, not a status icon, but a flickering text overlay:
[CUSA00900][MOD:v109_dlc_unlicensed] - SAVE CORRUPTED. CONTINUE? Y/N]
There was no controller. No buttons. Only the distant clang of a bell that rang backwards.
He stood up, because that’s what hunters do. The street sign read Winding Passage to the Cut Content. And walking toward him, dragging a scythe made of discarded user agreements, was a figure in a black coat. Its face was a patchwork of missing textures—purple and black squares where eyes should be.
It spoke with Fedback and *static:
"You installed a mod that rewrites the Hunter's Dream. Welcome to the v109 paradox. There are no more cycles. Every death is permanent. And I—I am the Auto-Save."
The scythe rose.
Cyrus laughed, the broken blade trembling in his grip. "Finally," he whispered. "A boss that matters."
The Auto-Save swung. And in the real world, on a dusty shelf, the CUSA00900 disc began to spin—faster, hotter, until the plastic warped into a perfect, tiny nightmare swirl.
New game installed. Player unknown. Difficulty: Unpatchable.
As of late 2025, the ShadPS4 emulator can boot and play Bloodborne at 4K 60 FPS on a high-end PC. For the CUSA00900 crowd, this is revolutionary:
If you are searching bloodborne v109 dlc et mods cusa00900 on PC, you are likely hunting for the emulator’s specific update and DLC folders. For ShadPS4, you will need the decrypted param files from v1.09, which are easily convertible from official PKGs.
Published by: The Hunter's Workshop | Reading time: 9 minutes
If you are reading this, you are likely standing at the crossroads of two realities. On one side lies the unyielding, 30-framerate-locked Yharnam of 2015. On the other lies the promised land: Bloodborne v1.09 with fully integrated DLC, custom mods, and the specific title ID CUSA00900.
For years, PC emulation and PS4 jailbreak communities have chased the perfect hunt. The trio of keywords—v1.09, DLC, and CUSA00900—is the holy trinity of Bloodborne modding. But why these specific numbers? Why does the "Old Hunters" DLC break if you use the wrong update? And how do you install mods without corrupting your save file?
Let us descend into the crypt.
bloodborne patches).dvdroot_ps4 folder) go directly into that mods folder.Note for v1.09 users on ShadPS4: The emulator currently runs the DLC (The Old Hunters) perfectly, but some modded cutscenes may crash. Disable intro skip mods until you reach the Hunter’s Nightmare.
Debug Settings or GoldHEN), the Eye of a Blood-drunk Hunter appears in the Hunter's Dream after defeating Vicar Amelia.Warning: Do not mix title IDs. A DLC unlocker for CUSA00207 (Europe) will corrupt your save file on CUSA00900. Always double-check your base game’s title ID.
Platform: PlayStation 4 (CUSA00900 – US Retail Version) Current Status: Definitive Edition
This query refers to Bloodborne (Title ID CUSA00900 – the North American PS4 version) updated to patch 1.09 (v109), including the The Old Hunters DLC (et likely means “and” in French, or a typo for “+ DLC”), along with mods (custom modifications).
These modify the game's internal parameter files. You can: CUSA00900 = North American / US region disc/digital version