# Season 1 Pets
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The *CroSkull pets* will be used in various activities which will become available on our Dapp, like [missions](https://croskulls-organization.gitbook.io/croskull/ecosystem/missions), *PVP* and raids, and so on. The pets use the same structure of the *Evolved ERC721* format.
The ***LionSkulls*** will have 7 different trait slots + 1 special attribute (Dark or Light), while legendary pets has only 1 trait that is unique for the specific Legendary. The traits will have different rarities that will make each pet unique:
* **Type** (light/dark)
* **Background** (5 total)
* **Horns** (25 total)
* **Ears** (23 total)
* **Head** (20 total)
* **Eyes** (57 total)
* **Crinier / Mane** (24 total)
* **Body** (25 total)
* **Legendary** (6, o*nly legendary pets*)
### Stats, Power and Grave
**The Seasonal pets will have 5 different on-chain stats**, unlike the [EvoSkull](https://croskulls-organization.gitbook.io/croskull/croskull/what-are-evoskulls#evoskulls-on-chain-stats) which have 6. The Seasonal pets start off with 4 points in each category, while the legendary pets start with 5. Each time you level up your pet, the stats increase by +1.
* Strength
* Intelligence
* Constitution
* Wisdom
* Dexterity
The 5 different stats combine in total to give an indication of the pets Power.
**Power** is also used to measure which **GRADE** the pet is. Grading varies from the lowest being grade "B", to the highest, being grade “S+”.
To level up your pets you will need both [*$**SLS***](https://croskulls-organization.gitbook.io/croskull/erc20-tokens/souls-usdsls) and [*$**RUDE***](https://croskulls-organization.gitbook.io/croskull/erc20-tokens/rude-usdrude). [*$**SLS***](https://croskulls-organization.gitbook.io/croskull/erc20-tokens/souls-usdsls) is used as experience points, while [*$RUDE*](https://croskulls-organization.gitbook.io/croskull/erc20-tokens/rude-usdrude) is just to advance your pets between each level.
Once you have acquired enough [*$SLS*](https://croskulls-organization.gitbook.io/croskull/erc20-tokens/souls-usdsls) and used them on your pet to increase their experience to the required amount for each level, you will have to use [*$RUDE*](https://croskulls-organization.gitbook.io/croskull/erc20-tokens/rude-usdrude) to advance it to the next level.
The cost will be 50 [*$RUDE*](https://croskulls-organization.gitbook.io/croskull/erc20-tokens/rude-usdrude) from level 0 to level 1, and then for each level beyond that, an additional 10 *$RUDE* per level. (For example, from level 1 to level 2, its 60 *$RUDE*, then 70, 80 and so on).
{% hint style="info" %}
You can buy Pet S1 on [Ebisu's Bay](https://app.ebisusbay.com/collection/croskull-pets) and [Minted](https://minted.network/collections/cronos/0xb77959dc7a12f7549acc084af01259fc48813c89).
{% endhint %}
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