# Processed Chaos Stone (Weapon) item

> Processed Chaos Stone (Weapon): Contained in. Express Lv. 1,540 Achievement Chest, Express Lv. 1,570 Achievement Chest, Road to Hyper Awakening Achievement Chest (1,605)

Canonical: https://lostark.wiki/database/items/processed-chaos-stone-weapon-40619410?relation=containers

*Relic*

A mysterious stone that can be found in areas corrupted by chaos. It is said that it has the power to bring out the true nature of anything it touches.  
Can only be used with weapon quality upgrades and does not consume gold.  
It will be consumed before any Chaos Stone items you own.  
When character-bound storage items with closer expiration dates are used up, Roster-bound storage items with closer expiration dates will start being consumed.

It comes out of [Express Lv. 1,540 Achievement Chest](https://lostark.wiki/database/items/express-lv-1-540-achievement-chest-61104250), [Express Lv. 1,570 Achievement Chest](https://lostark.wiki/database/items/express-lv-1-570-achievement-chest-61104280), and [Road to Hyper Awakening Achievement Chest (1,605)](https://lostark.wiki/database/items/road-to-hyper-awakening-achievement-chest-1-605-61104560).

## Facts

- **Tier**: 3
- **Shop sale**: Not for sale
- **Binding**: Bind on pickup

## Acquisition & uses

- [Events](https://lostark.wiki/database/items/processed-chaos-stone-weapon-40619410#relationships) (2)
- [Contained in](https://lostark.wiki/database/items/processed-chaos-stone-weapon-40619410?relation=containers#relationships) (4)

### Contained in

1–4 of 4

| Name | Quantity | Details |
| --- | --- | --- |
| [Express Lv. 1,540 Achievement Chest](https://lostark.wiki/database/items/express-lv-1-540-achievement-chest-61104250) | 10 | Obtain all of the following items.; Quantity 10 |
| [Express Lv. 1,570 Achievement Chest](https://lostark.wiki/database/items/express-lv-1-570-achievement-chest-61104280) | 10 | Obtain all of the following items.; Quantity 10 |
| [Road to Hyper Awakening Achievement Chest (1,605)](https://lostark.wiki/database/items/road-to-hyper-awakening-achievement-chest-1-605-61104560) | 20 | Obtain all of the following items.; Quantity 20 |
| [Express Lv. 1,600 Achievement Chest](https://lostark.wiki/database/items/express-lv-1-600-achievement-chest-61104850) | 40 | Obtain all of the following items.; Quantity 40 |

## Related

- [Home](https://lostark.wiki/)
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- [Materials](https://lostark.wiki/database/items/category/materials)