# Item NFT

All item nfts can be inlayed upon the heroes to get mining power boost, only one item from each class can be inlayed in a hero at once.

There are total 5 different class of Items:

* Sword
* Armor
* Boots
* Potion
* Crystal

Items can be upgraded from level 1 to level 10. Items can be upgraded by merging the 5 of the same type to form a higher level Item.

| Level |                  Cost                 | Total Boost% (mining power) |
| :---: | :-----------------------------------: | :-------------------------: |
|   1   | <p>4 <br>(same class, same level)</p> |              5%             |
|   2   | <p>4 <br>(same class, same level)</p> |             10%             |
|   3   | <p>4 <br>(same class, same level)</p> |             15%             |

&#x20;and so on till level 10.

{% hint style="info" %}
Inlaying a level 10 item will provide 50% mining power boost to that hero, inlaying 5 level 10 items will prove 250% mining power boost to that hero
{% endhint %}