Kaneshiro’s Palace is where Persona 5 quietly shifts gears from straightforward dungeon crawling into puzzle-driven progression. The vault codes aren’t optional side content or missable flavor text; they are hard progression gates tied directly to the Palace’s internal logic. If you don’t understand how they work, you’ll hit dead ends fast, burn SP retracing steps, and potentially waste precious in-game days.
Unlike earlier Palaces that rely more on spatial puzzles or enemy gimmicks, Kaneshiro’s bank-themed dungeon leans heavily into numerical security. Every vault door is part of a larger sequence, and the game expects you to engage with it in the exact order presented. Treat these codes like a checklist, not riddles you can brute-force or skip.
Vault Codes Are Story-Gated, Not Guessable
Each vault code is unlocked by progressing the narrative and exploring specific wings of the Palace. You’re not meant to solve them through trial-and-error, and the game actively discourages RNG guessing by locking interactions behind cleared objectives. If a code terminal won’t accept input yet, that’s the game signaling you’re out of sequence.
What makes this dangerous for completionists is that the clues are delivered through environmental storytelling, enemy encounters, and short dialogue beats. Skip too fast, and it’s easy to forget where a number came from or why it matters. That’s why understanding the order is more important than memorizing the digits themselves.
Why Order Dictates Efficient Palace Runs
Kaneshiro’s Palace is designed like a loop, not a straight line. Each vault you unlock reroutes you through previously inaccessible areas, often placing stronger Shadows or Will Seed paths along the way. Doing things out of order doesn’t just stall progress; it increases backtracking and SP drain, which is lethal on higher difficulties.
Because the Palace is tied to a tight calendar window, efficiency matters. Knowing when and where each vault code is used lets you clear the dungeon in fewer infiltrations, preserve healing resources, and stay on pace for Confidant progression. This is especially critical if you’re aiming for a one-day clear or a near-perfect schedule.
How This Guide Uses the Vault Code Order
Every code will be presented exactly as the game introduces it, matching the natural flow of exploration and story beats. You won’t see future solutions early, and you won’t be asked to remember numbers from later sections. Each step is anchored to the room, objective, and narrative trigger that unlocks it.
By following the vault codes in sequence, you’re not just solving puzzles faster. You’re playing Kaneshiro’s Palace the way it was designed to be experienced, with minimal friction and maximum momentum.
Vault Code #1 – Shibuya Underground Bank: Accessing the First Sealed Door
With the order established, the Palace naturally funnels you toward the first hard stop: a sealed vault door deep inside the Shibuya Underground Bank. This is the game’s opening test to make sure you’re paying attention to Kaneshiro’s environmental clues, not brute-forcing progress.
Unlike later vaults, this one is deliberately placed early to teach you how the Palace communicates solutions. If you hit this door and don’t yet have the code, you’re either missing a conversation or rushing past mandatory encounters.
Where the First Vault Door Is Located
You’ll encounter the first sealed door shortly after entering the main bank interior, past the initial laser security corridors and roaming Piggy Bank Shadows. It blocks forward progress and cannot be bypassed through stealth, combat tricks, or grappling routes.
Interacting with the keypad before you’re ready simply results in rejection. This is a narrative gate, not a mechanical puzzle, and the game expects you to gather the code before inputting anything.
How the Game Delivers the First Code
The key detail comes from eavesdropping on enemy dialogue in the surrounding area. Several Piggy Bank Shadows talk openly about vault access and internal security when you listen from cover instead of ambushing immediately.
During these overheard conversations, they reference a specific four-digit number tied to the vault’s lock. The moment you hear it, the game quietly flags the information, even if no on-screen notification appears.
Vault Code #1: 0420
The first vault code is 0420. This is not randomized and is identical across all difficulties and versions of the game.
Once you’ve heard the Piggy Bank Shadows discuss it, return to the sealed door and input the code manually. The door unlocks immediately, opening the Palace’s first major loop and pushing you deeper into Kaneshiro’s money-driven labyrinth.
Why This Vault Matters for Palace Flow
This door isn’t just progress; it’s a resource checkpoint. Behind it, enemy density increases, Shadows hit harder, and SP management becomes a real concern if you’re aiming for a single-day clear.
By securing this vault as soon as it becomes available, you minimize backtracking and avoid unnecessary fights that can drain healing options early. It sets the rhythm for how Kaneshiro’s Palace expects you to observe first, act second, and never ignore what Shadows say when they think you’re not listening.
Vault Code #2 – Piggy Bank Hallway: Advancing Deeper into the Vault Area
Once the first vault door opens, Kaneshiro’s Palace immediately shifts gears. Enemy placement tightens, patrol routes overlap, and the game starts actively testing whether you’re still paying attention to Shadow behavior instead of brute-forcing encounters.
This next stretch funnels you into the Piggy Bank Hallway, a narrow corridor lined with cover points and looping patrols. It’s easy to rush through here, but doing so is exactly how players miss the second mandatory vault code.
Reaching the Piggy Bank Hallway
After passing through the first vault, follow the main path deeper into the bank until the environment narrows into a long hallway filled with Piggy Bank Shadows. Lasers are less prominent here, but enemy aggro is higher, and fights can stack quickly if you’re careless.
Resist the urge to ambush everything on sight. The Palace is once again signaling that observation comes before action, especially if you want clean progression without unnecessary combat attrition.
How to Trigger the Second Vault Code Dialogue
Near the midpoint of the hallway, you’ll find two Piggy Bank Shadows standing close together, casually talking about internal vault procedures. Use cover and position Joker so you can listen in without initiating combat.
Their conversation explicitly mentions another four-digit vault code tied to deeper sections of Kaneshiro’s storage area. As with the first code, there’s no dramatic cutscene or UI popup. The game silently logs the information the moment the dialogue finishes.
If you ambush them too early, the dialogue never plays. You’ll need to leave the area or reload to trigger it again, which is why patience here saves time overall.
Vault Code #2: 0931
The second vault code is 0931. This code is fixed and does not change based on difficulty, party composition, or version of Persona 5.
Once you’ve overheard the Piggy Bank Shadows, continue forward until you hit the next sealed vault door. Interact with the keypad and manually input 0931 to unlock it and advance.
Why This Vault Is a Difficulty Check
This door marks a clear escalation point. Past it, Shadows start hitting harder, weaknesses become less forgiving if you misplay turn order, and SP drain accelerates if you’re not exploiting Baton Pass efficiently.
Unlocking this vault cleanly keeps your infiltration momentum intact and prevents unnecessary backtracking through respawned enemies. It reinforces Kaneshiro’s core Palace lesson: greed makes people talk, and listening is often stronger than raw DPS.
Vault Code #3 – Lower Vault Passage: Progressing After the Mid-Palace Security Shift
Once Vault Code #2 is entered, Kaneshiro’s Palace subtly flips the script. Enemy formations tighten, patrol routes overlap, and the bank’s internal security logic becomes far less forgiving if you brute-force your way forward.
This is the point where the Palace tests whether you’ve been paying attention to its rules. The third vault code isn’t hidden behind combat or exploration skill, but behind situational awareness during a major security shift.
What Changes After the Security Level Spike
After pushing deeper, you’ll trigger a mandatory Palace event that raises the overall security posture. Shadows begin speaking more openly about internal procedures, but only if you let them exist long enough to talk.
In the Lower Vault Passage, you’ll notice heavier Piggy Bank Shadows patrolling near a branching corridor. Lasers reappear here, not as obstacles, but as pressure tools that punish reckless movement.
How to Trigger the Third Vault Code Conversation
Move slowly through the Lower Vault Passage and keep Joker behind cover near the central intersection. Two Piggy Bank Shadows will stop near a vault terminal and start discussing post-shift access protocols.
Do not ambush them immediately. Stay crouched, let the dialogue fully play out, and wait for Morgana’s subtle audio cue confirming the information has been logged.
If combat starts before the conversation ends, the code is lost. As with earlier vaults, you’ll need to leave the area and return to reset their behavior.
Vault Code #3: 1841
The third vault code is 1841. This code is fixed and identical across all versions of Persona 5.
Use it on the locked vault door at the end of the Lower Vault Passage. There’s no alternate route forward here, making this code mandatory for story progression.
Why This Vault Tests Resource Discipline
Past this door, enemy HP spikes and weaknesses become less cleanly distributed, forcing tighter turn optimization. Sloppy engagements here snowball SP drain fast, especially if Baton Pass chains aren’t planned in advance.
Cracking this vault efficiently keeps the Palace’s pacing intact and prevents unnecessary attrition before the next major narrative beat. Kaneshiro’s bank continues reinforcing its core theme: the more secure the system becomes, the louder its insiders talk.
Vault Code #4 – Large Vault Chamber: Unlocking the Route to Kaneshiro’s Inner Sanctum
With the third vault cracked, Kaneshiro’s Palace shifts from procedural security to full paranoia. You’re no longer sneaking through back halls; you’re inside the bank’s core, where every movement is monitored and every mistake spikes aggro instantly.
The Large Vault Chamber is deliberately overwhelming, combining wide sightlines, overlapping patrols, and constant laser pressure. This is the Palace testing whether you’ve learned to slow down and read the room instead of relying on raw combat efficiency.
Understanding the Large Vault Chamber Layout
This chamber is circular, with elevated walkways, rotating laser grids, and multiple Piggy Bank Shadows patrolling on staggered routes. The center vault door is visible immediately, but it’s sealed and cannot be brute-forced or bypassed.
Several Shadows here are scripted to pause and converse at specific patrol nodes. These conversations only trigger if the security level is already elevated from earlier progression, which is why rushing earlier sections can soft-lock players from learning the code.
How to Trigger the Fourth Vault Code Conversation
Stick to the outer perimeter and stay crouched behind cover near the northwest side of the chamber. Two Piggy Bank Shadows will eventually stop near a raised platform overlooking the main vault door.
Do not engage them, even if you have a clean ambush angle. Let the entire conversation play out, including the follow-up line about “central vault authorization,” and wait for Morgana’s confirmation that the information has been secured.
If you get spotted or initiate combat early, the conversation cancels. Exit the room, re-enter, and reset enemy positions to try again.
Vault Code #4: 2002
The fourth and final vault code is 2002. This code is fixed across all versions of Persona 5 and is required to open the central vault in the Large Vault Chamber.
Enter 2002 at the terminal directly in front of the massive vault door. Once opened, this route leads straight toward Kaneshiro’s inner sanctum and the Palace’s narrative climax.
Why This Vault Is a Final Knowledge Check
Unlike earlier vaults, this one deliberately places the solution in plain sight while daring you to act on impulse. High-value Shadows, tempting ambush angles, and laser DPS pressure all exist to bait premature combat.
By forcing restraint instead of optimization, Kaneshiro’s Palace reinforces its core theme: information is more valuable than force. Cracking this vault cleanly preserves SP, maintains party momentum, and ensures you reach the boss sequence without unnecessary attrition.
Final Vault Code – Treasure Route Secured: The Last Mandatory Code Before the Calling Card
With the fourth code entered and the central vault unlocking, Kaneshiro’s Palace effectively enters its endgame state. This is the last hard gate between free exploration and the mandatory story sequence that leads to the Calling Card. From here on, the Palace shifts from puzzle-solving to attrition management and boss preparation.
What makes this moment critical is that there are no alternate paths or optional bypasses. If the vault doesn’t open, progression stops entirely, which is why missing the earlier eavesdropping trigger can feel so punishing.
What Happens Immediately After Entering Code 2002
Once the vault door opens, move forward and let the short environmental transition play out. Morgana will confirm the route is secure, and the game internally flags the Treasure Route as complete.
This flag is important because it permanently locks in Palace progression. You can now safely leave the Palace, and the game will allow you to send the Calling Card on a later date without fear of missing required steps.
Enemy Density and Combat Expectations Beyond the Vault
Past the vault, enemy encounters are more aggressive and less about stealth optimization. Shadows here hit harder, carry higher HP pools, and are tuned to drain SP if you overextend, especially on Hard or Merciless.
This is not the place to grind or chase perfect ambush chains. Treat every fight as a resource check, disengage if RNG turns against you, and prioritize safe clears over flashy DPS rotations.
Why This Is the True End of Kaneshiro’s Puzzle Design
Every vault code in Kaneshiro’s Palace teaches a specific lesson: patience, observation, and controlled aggression. The final code brings those ideas together by requiring restraint in a room that screams for combat.
By successfully opening this vault, you’ve proven you understand how Kaneshiro’s Palace wants to be played. From here, the Palace stops testing your awareness and starts testing your preparation for the boss fight that follows.
Safe Exit Strategy Before Sending the Calling Card
After confirming the Treasure Route, backtrack deliberately rather than sprinting forward blindly. Use safe rooms to save, heal if needed, and reset party composition if you’re planning a same-day boss run.
Once you exit the Palace, the game flow shifts back to the real world. At that point, the only thing standing between you and Kaneshiro’s downfall is choosing the right day to send the Calling Card.
Common Mistakes and Missable Interactions Related to Vault Codes
Even after securing the Treasure Route, Kaneshiro’s Palace has a habit of punishing small lapses in attention. Most vault-related mistakes don’t hard-lock progression, but they can cost time, SP, or key contextual dialogue that makes the puzzle logic feel coherent rather than arbitrary.
This is where many first-time players stumble, especially if they’re rushing to meet the deadline or playing on higher difficulties where recovery is expensive.
Skipping Eavesdropping Triggers That Hint Vault Logic
Several vault codes are softly telegraphed through NPC conversations scattered around the banking halls. These aren’t marked objectives, and the minimap won’t alert you, so sprinting past them can leave you guessing numbers later.
The most common mistake is assuming the codes are pure trial-and-error puzzles. In reality, the Palace wants you to slow down, listen, and mentally connect Kaneshiro’s obsession with money to the numeric logic behind each vault.
Destroying ATMs Too Early and Spiking Security Levels
ATMs are tempting targets, especially if you’re low on cash or riding a clean ambush streak. The problem is that smashing them before you’ve fully explored nearby vault routes can spike the Security Level and make backtracking riskier than it needs to be.
Higher security means tighter Shadow aggro and fewer clean stealth angles. That directly impacts your ability to safely move between vault doors while experimenting with codes or checking adjacent rooms for clues.
Misreading the Order Vaults Are Intended to Be Solved
Kaneshiro’s Palace technically allows some freedom in movement, but the vaults are designed with a soft order in mind. Players who brute-force later vaults before fully resolving earlier ones often miss contextual hints that explain why a code works.
This doesn’t block progression, but it undermines the learning curve the Palace is building. The puzzles feel harder when you skip the lessons they’re meant to teach in sequence.
Not Saving After Major Vault Progression
Each correct vault code represents a meaningful progression checkpoint, even if the game doesn’t explicitly say so. Failing to save after opening a vault can be brutal if a bad RNG encounter drains your SP or wipes the party on the return path.
Safe rooms are intentionally placed near vault clusters. Use them. Treat every successful code entry as a signal to lock in your progress before pushing deeper.
Overlooking Party Dialogue That Confirms Puzzle State
Morgana and Makoto frequently comment when a vault-related condition has been satisfied. These lines aren’t just flavor; they’re subtle confirmations that the game has internally registered your progress.
Players who mash through dialogue or play on low volume often miss these cues, leading to unnecessary backtracking or second-guessing whether a code was entered correctly.
Leaving the Palace Too Early After a Vault Opens
Once a vault opens, especially in the later sections, it’s easy to assume you’re done with that area. In reality, some vault rooms contain secondary paths, chests, or enemy placements that are safest to handle immediately after the door unlocks.
Leaving and re-entering later can reshuffle enemy positions and raise the risk of sloppy engagements. Clear intelligently while the layout is fresh in your mind.
Assuming Difficulty Settings Don’t Affect Vault Runs
While the vault codes themselves don’t change, the cost of mistakes absolutely does. On Hard and Merciless, every wrong turn, forced fight, or missed ambush during vault navigation drains resources faster than expected.
This makes understanding vault intent just as important as knowing the numbers. Efficient puzzle execution isn’t about speed; it’s about minimizing combat exposure between codes.
Relying Too Heavily on Fast Travel Within the Palace
Fast travel is convenient, but it can disrupt your spatial understanding of how vault rooms connect. Several players lose track of which vault they’ve already cleared because they bounce between safe rooms instead of walking the route.
In Kaneshiro’s Palace, physical traversal reinforces puzzle logic. Walking the path helps you remember why a specific code worked and where the next one is meant to be used.
Quick Reference Summary: All Kaneshiro Palace Vault Codes in Exact Story Order
If you’ve been carefully moving through Kaneshiro’s Palace without leaning on fast travel, this is where everything clicks into place. The vault sequence is entirely linear, and each code is designed to test whether you’ve internalized the palace’s visual language and narrative clues.
Below is a clean, spoiler-light reference that lists every mandatory vault code in the exact order the story requires them. No guesswork, no backtracking, just efficient progression through one of Persona 5’s most mechanically dense palace segments.
Vault 1 Code – First Lower Vault Area
Code: 0-3-0-0
This is the first true “logic check” vault and appears shortly after you gain consistent access to the lower banking floors. The clues are deliberately simple, reinforcing how Kaneshiro equates money with volume rather than value.
If you’re paying attention to the environmental hints and dialogue, this code is meant to ease you into how future vaults will escalate in complexity.
Vault 2 Code – Mid-Palace Vault Corridor
Code: 1-2-1-0
The second vault introduces layered clues that pull from multiple nearby rooms. This is where many players start second-guessing themselves, especially if they fast traveled past earlier hint locations.
Take this vault as a reminder that Kaneshiro’s Palace rewards slow, intentional exploration over brute-forcing solutions.
Vault 3 Code – Upper Banking Area Vault
Code: 3-1-0-0
This vault sits in a noticeably more hostile stretch of the palace, with tighter corridors and higher enemy density. The code itself reflects Kaneshiro’s obsession with accumulation and hierarchy, themes that are reinforced through both visuals and enemy placement.
Enter this one confidently and clear the surrounding area immediately to avoid being ambushed on the way out.
Final Vault Code – Massive Central Vault
Code: 5-7-3-1
This is the palace’s capstone puzzle and the culmination of every numerical and thematic hint you’ve encountered so far. By this point, the game expects you to understand how Kaneshiro’s distorted values translate directly into numbers.
Double-check your SP, save at the nearest safe room, and treat this vault as the final checkpoint before the palace’s endgame momentum fully kicks in.
Closing out Kaneshiro’s vaults cleanly isn’t about memorizing numbers, it’s about understanding intent. When Persona 5’s puzzles and narrative align like this, efficiency becomes second nature. Trust the clues, respect the pacing, and the palace will unfold exactly as it’s meant to.