This guide is about disassembling weapons in Kaiju No. 8 The Game and the items you can obtain. It explains the disassembly process and how to use the materials in K8 The Game.
Table of Contents
How to Disassemble Weapons
- Tap the Top-Right Button
- Tap "Storage"
- Tap the Weapon Icon
- Tap "Disassemble"
- Select Weapons to Disassemble
- Tap "Disassemble"

Tap the three-line button (*in the red frame in the image) in the top right of the HOME screen.

Tap "Storage" displayed in the center of the screen.

Once you open the Storage screen, tap the weapon icon on the left side of the screen (*in the red frame in the image).

After tapping the weapon icon, tap "Disassemble" in the bottom left of the screen.

Tap the weapons you want to disassemble to select them. You can choose up to 100 items at a time, and the batch select function lets you select all weapons of a specific rarity at once.

Once you've selected the items, tap Disassemble. Disassembled weapons cannot be recovered, so be careful not to make a mistake.
Locked Weapons Cannot Be Disassembled

Locked weapons cannot be disassembled. To disassemble a locked weapon, first unlock it by clicking the lock icon, as shown in the image.
Disassembly Item Uses
List of Items Obtained from Dismantling
*The amounts shown are for dismantling a single weapon.
Target | Items Obtained |
5-Star Weapon | ![]() ![]() |
4-Star Weapon | ![]() |
3-Star Weapon | ![]() |
Kaijumite for Weapon Enhancement

Kaijumite I and III, obtained from dismantling weapons, are used to level up weapons. Since Kaijumite can also be earned from Training and other sources, it's best to disassemble weapons only when you're short on Kaijumite.
Refinement Crystals for Weapon Exchange

Refinement Crystals, obtained by dismantling 5★ weapons, can be traded in the Shop's Weapon Exchange for other 5★ weapons. You can exchange for a total of one item per month in the Weapon Exchange.
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Character List
5★ Character Ratings
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