# \[Event\] Combat XP Potion (Roster-bound) item

> Gain 10,000,000 Combat XP when used. Must be Combat Lv. 50-69. It comes out of 1,590 Achievement Chest, 1,595 Achievement Chest, and 1,605 Achievement Chest.

Canonical: https://lostark.wiki/database/items/event-combat-xp-potion-roster-bound-41611696

*Legendary*

Gain 10,000,000 Combat XP when used.  
  
Must be Combat Lv. 50-69.

It comes out of [1,590 Achievement Chest](https://lostark.wiki/database/items/1-590-achievement-chest-61302820), [1,595 Achievement Chest](https://lostark.wiki/database/items/1-595-achievement-chest-61302830), and [1,605 Achievement Chest](https://lostark.wiki/database/items/1-605-achievement-chest-61302850).

## Facts

- **Shop sale**: 1 Silver
- **Binding**: Bind on pickup

## Acquisition & uses

- [Contained in](https://lostark.wiki/database/items/event-combat-xp-potion-roster-bound-41611696#relationships) (4)

### Contained in

1–4 of 4

| Name | Quantity | Details |
| --- | --- | --- |
| [1,590 Achievement Chest](https://lostark.wiki/database/items/1-590-achievement-chest-61302820) | 20 | Obtain all of the following items.; Quantity 20 |
| [1,595 Achievement Chest](https://lostark.wiki/database/items/1-595-achievement-chest-61302830) | 20 | Obtain all of the following items.; Quantity 20 |
| [1,605 Achievement Chest](https://lostark.wiki/database/items/1-605-achievement-chest-61302850) | 20 | Obtain all of the following items.; Quantity 20 |
| [1,615 Achievement Chest](https://lostark.wiki/database/items/1-615-achievement-chest-61302870) | 20 | Obtain all of the following items.; Quantity 20 |

## Related

- [Home](https://lostark.wiki/)
- [Items](https://lostark.wiki/database/items)
- [Consumables](https://lostark.wiki/database/items/category/consumables)