# Restore Levels
Restore levels is a feature that helps to bring back a Green Hero to the highest level it ever reached.
## How does it work?
When a Green Hero is exchanged, the exp amount will be reset to 0, the level will be reset to 1. However, each Green Hero has a former level attribute (the highest level the Green Hero has ever reached).
With the Restore levels feature, players can use $GFRUIT to restore a Green hero to the highest level it has ever achieved.
***Example:** User A lists a Green Hero on NFT Marketplace with level 60. User B buy it. The Green Hero is then reset to level 1. User B plays it to level 50 and then sells it. User C buys it and selects Restore levels. The Green Hero will then be set at level 60 (the highest level it ever reached).*
**Formula**
| | | |
|---|
| Star | From level | To level | $GFRUIT / level |
| 1 | 1 | 8 | 2000 |
| 2 | 9 | 32 | 4000 |
| 3 | 33 | 64 | 8000 |
| 4 | 65 | 128 | 16000 |
| 5 | 129 | 256 | 32000 |
| 6 | 257 | 512 | 64000 |
**Example:** If your Green Hero’s current level is 10, 50 EXP and it has the highest ever reached level is 70.
🌱 To restore from level 10 to level 70 at full exp, the total cost is calculated as follows:
* 1 star: None
* 2 star: 10 to 32 -> 32 - 10 + 1 = 23 levels
* 3 star: 32 to 64 -> 64 - 33 + 1 = 32 levels
* 4 star: 64 to 70 -> 70 - 65 + 1 = 6 levels
\=> Total cost: 23\*4,000 *+* 32*\**8,000 + 6\*16,000 = 444,000 $GFRUIT
After the restore, your Green Hero will have level 70 and 375 EXP
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