How to Get File 0 Deleted Badge Fast in Jujutsu Shenanigans Full Guide!

The latest crossover update in Jujutsu Shenanigans brings a special hidden achievement called the File 0 Deleted badge. Many players think it’s simple at first, but competition makes it harder than expected. If you want to unlock it quickly and without stress, this guide explains the fastest and safest method step by step. Also check out our Jujutsu Infinite Codes for more rewards!

What Is the File 0 Deleted Badge?

File 0 Deleted is a limited badge added during the crossover event. To earn it, you must:

• Become the special boss (Chara)
• Eliminate one player while in boss form

That’s it. Only one kill is required. However, becoming the boss is where things get competitive.

How to Get the 0 Deleted Badge Guide

Step 1: Join a Low Population Server

Your first priority is server selection.

• Join a server with very few players
• Or create a private server (recommended)
• Invite a friend if possible

Fewer players mean less competition for the boss role and a much higher success rate.

Step 2: Go to the Underground Subway

Head to the underground subway area. You can:

• Walk there normally
• Or break through the floor and drop down

At the end of the train tracks, you will see a glowing red portal. Enter that portal.

Step 3: Wait for the Red Knife Spawn

Inside the portal area, a red knife will eventually appear. You will also see a floating portal descending from above.

Important differences:

• In a private server: The knife spawns instantly
• In a public server: You may need to wait 30–60 minutes

Once the knife appears, hold E to interact with it.

Step 4: Transform Into the Boss

After interacting with the knife, you transform into the Chara boss.

You will receive:

• Multiple hearts
• Large HP bar
• Awakening meter

Be careful. The awakening bar slowly drains. When it empties:

• Your HP begins to drop
• If you lose a heart, you lose boss powers
• Another random player becomes the boss

If that happens, you can break their floating heart to take the role back.

Step 5: Secure One Kill

You only need one elimination while being the boss. After defeating a single player:

• You instantly receive the File 0 Deleted badge
• Vessel becomes unlocked in Jump Showdown

The fastest method? Bring a friend into a private server and ask them to let you defeat them. This removes all risk and saves time.

Jujutsu Shenanigans, Do NOT eliminate your target using Domain Expansion. If you finish a player with domain, the badge may not register properly for progress. Secure the kill cleanly using normal abilities instead. File 0 Deleted is one of the easier crossover badges once you understand the mechanics. The challenge mostly comes from other players competing for the boss role. If you control the environment by using a low-population or private server, you can unlock it in minutes. After that, you’ll also gain access to Vessel in Jump Showdown, making it worth the effort.