Upgrade costs
| Level | Materials | Upgrade description |
|---|---|---|
| 2 | 50 DigiWhitewood | Increase the item types you can store. |
| 3 | 50 DigiBlackwood | Increase the item types you can store. |
| 4 | 50 DigiGreatwood | Increase the item types you can store. |
| 5 | 50 DigiStarwood, 50 DigiGodwood | Increase the item types you can store. |