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Broken Blade Explosion Event Guide
The Explosion Event features the Headless Knight boss and the new 5-Star Explosion weapon. Learn how to obtain Event Helmets, farm Eye Patches, and complete the event efficiently.
Broken Blade Explosion Event guide — Event Helmets, Headless Knight, Eye Patches, and Explosion crafting.
By Bloxron Editorial Team · Last updated
The Explosion Event is a special event in Broken Blade centered around the Headless Knight boss and the new Explosion weapon. Players must collect Event Helmets, summon the Headless Knight on Explosion Island, and farm Eye Patches to eventually craft Explosion, the game's first 5-Star weapon.
Explosion Event Overview
Event Loop
Farm Event Helmets ↓ Travel to Explosion Island ↓ Summon Headless Knight ↓ Defeat the Boss ↓ Collect Eye Patches ↓ Craft Explosion
The entire event revolves around repeatedly defeating the Headless Knight and gathering crafting materials.
How to Start the Explosion Event
Step 1: Obtain Event Helmets
Event Helmets are required to summon the Headless Knight. Players can obtain them by collecting Black Cat Mystery Rewards that appear across the world.
Black Cats can spawn on:
- Origin Island
- Niflheim
- Nidavellir
- Explosion Island
- Jotunheim
The exact drop rate has not been officially disclosed.
Step 2: Travel to Explosion Island
Once you have an Event Helmet, travel to Explosion Island. The island contains:
- Headless Knight Altar
- Explosion Weapon Altar
Step 3: Summon Headless Knight
At the altar:
- 1 Event Helmet = 1 summon
Players can also use Auto Spawn to queue multiple summons.
Headless Knight Boss
Boss Information
| Attribute | Value |
|---|---|
| Name | Headless Knight |
| Location | Explosion Island |
| Difficulty | Nightmare |
| Health | 800,000,000,000 |
| Summon Cost | 1 Event Helmet |
Headless Knight is currently one of the strongest bosses in Broken Blade.
Headless Knight Drops
Exclusive Event Drops
| Item | Drop Chance |
|---|---|
| Explosion! | 7.04% |
| Eye Patch | 25% |
| Megumin | 0.44% |
Eye Patch
Eye Patch is the most important material in the event.
Source
- Headless Knight Boss
Drop Chance
| Item | Chance |
|---|---|
| Eye Patch | 25% |
According to community findings, players need 65 Eye Patches to craft Explosion.
Explosion Weapon
Explosion is the main reward of the event and is currently considered the game's first 5-Star weapon. See the weapons guide for how Buster weapons fit into your build.
Crafting Requirements
| Material | Amount |
|---|---|
| Money | 1,500,000,000 |
| Gems | 20,000,000 |
| Buster Piece I | 3,000 |
| Buster Piece II | 1,500 |
| Buster Piece III | 800 |
| Eye Patch | 65 |
| Fire Seed | 10,000 |
Buster pieces and Fire Seeds are covered in the materials guide.
Best Farming Method
Early Phase
Farm Black Cats until you build up a large supply of Event Helmets.
Mid Phase
Use Auto Spawn on Explosion Island to continuously summon Headless Knight.
Late Phase
Prioritize collecting:
- Eye Patch ×65
- Explosion! drops
- Remaining Buster Pieces
- Fire Seeds
FAQ
How do I get Event Helmets?
Event Helmets are obtained from Black Cat Mystery Rewards found across multiple islands.
Where do Eye Patches come from?
Eye Patches drop from the Headless Knight boss on Explosion Island.
How many Eye Patches are needed for Explosion?
Current community documentation indicates that Explosion requires 65 Eye Patches.
How much HP does Headless Knight have?
Headless Knight has 800 billion HP.
What is the main goal of the Explosion Event?
The objective of the event is to farm Headless Knight and obtain the materials needed to craft the Explosion weapon.