# NFT Merge

* On this layer, you'll be able to Merge your existing NFT's Cards.
* You'll be able to take same generation NFT and combine them into one more powerful NFT of the same generation.
* Merging different generations is unavailable.

{% hint style="info" %}
Merging rules will be changing according to different scenarios. 
{% endhint %}

As Sandman Finance Team, we need to assure that merging wont affect equilibrium to the entire community.

### Merging Rules

* You'll be able to merge only 3 cards at a time.
* A card can only be merged once. This mean that once you get a merged card, it wont be eligible to marge again.
* Merging is only available with same generation cards.

### Merging Workflow

1. You'll go to the merging page. Will be published soon.
2. You'll select 3 unmerged cards.
3. Your 3 cards will be moved to the merging contract
4. Once the merge is finished, you'll need to claim your merged card.

### Merging formula - Version 1.0

For each skill, stacking power and experience on every card (3 cards) we'll calculated:

1. Maximum amount of that skill amongst all 3 cards.
2. Average amount of that skill amongst all 3 cards.
3. Each Merged Skil will follow this formula:

$$
MergedSkill = MaximumSkill + (AverageSkill / 2)
$$

Let's check an example:

| NFT         | Strength | Agility | Endurance | Intelligence | Wisdom | Magic  |   | Staking Power | Experience |
| ----------- | -------- | ------- | --------- | ------------ | ------ | ------ | - | ------------- | ---------- |
| 1           | 85       | 13      | 67        | 42           | 72     | 78     |   | 357           | 4178       |
| 2           | 42       | 78      | 53        | 47           | 13     | 90     |   | 323           | 7546       |
| 3           | 20       | 44      | 82        | 70           | 58     | 46     |   | 320           | 6809       |
|             |          |         |           |              |        |        |   |               |            |
| Average     | 49       | 45      | 67        | 53           | 48     | 71     |   | 333           | 6178       |
| Maximum     | 85       | 78      | 82        | 70           | 72     | 90     |   | 357           | 7546       |
|             |          |         |           |              |        |        |   |               |            |
| Merge       | 110      | 101     | 116       | 97           | 96     | 126    |   | 524           | 10635      |
|             |          |         |           |              |        |        |   |               |            |
| Improvement | 22.37%   | 22.39%  | 29.11%    | 27.46%       | 24.87% | 28.38% |   | 31.83%        | 29.04%     |

{% hint style="success" %}
Your Merged card should have a \~25% improvement than your best card (theorically)
{% endhint %}


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