# Mysterious Material Sack item

> A cooking ingredient used by Assar Delains to make combat rations. It's said that no one but the master chef Delain should ever open it. Occasionally, there's a rustling noise coming from within the sack. It's a key ingredient in Mysterious Black Jelly. It is a rapport reward from Nefer. It is used

Canonical: https://lostark.wiki/database/items/mysterious-material-sack-921309

*Rare*

A cooking ingredient used by Assar Delains to make combat rations.  
It's said that no one but the master chef Delain should ever open it.  
Occasionally, there's a rustling noise coming from within the sack.  
  
It's a key ingredient in Mysterious Black Jelly.

It is a rapport reward from [Nefer](https://lostark.wiki/database/npcs/nefer-47622). It is used to craft [Mysterious Black Jelly](https://lostark.wiki/database/items/mysterious-black-jelly-931306).

## Facts

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

## Acquisition & uses

- [Rapport rewards](https://lostark.wiki/database/items/mysterious-material-sack-921309#relationships) (1)
- [Used in crafting](https://lostark.wiki/database/items/mysterious-material-sack-921309?relation=recipe_results#relationships) (1)

### Rapport rewards

1–1 of 1

| Name | Rank | Quantity | Details |
| --- | --- | --- | --- |
| [Nefer](https://lostark.wiki/database/npcs/nefer-47622) | Normal | 1 | Normal; Quantity 1; Other conditions may apply. |

## Tools

- [Rapport reward planner](https://lostark.wiki/tools/rapport-reward-planner#w=921309)

## Related

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