# Heroes' Upgrading

Upgrading heroes is essential and brings great benefits to owners, including increased strength and gTHC Battles.

**Heroes' upgrading benefits:**

* Increase hero stats by +1.5% at each level 
* Increase gTHC Battles and Win bonus, as shown on the following table

![](https://2435608553-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MfvN4TaPcn1wjRr5vyk%2Fuploads%2FVHFFVNEzNo2ctEPwhswg%2FHeroes%20upgrading.png?alt=media\&token=1f4eb4f8-e4bb-4e4a-ab2c-7fb093919a58)

### **Cost to Upgrade**

Upgrading heroes require power points and gTHG by Hero Rarity.

<mark style="color:orange;">**NOTE**</mark>: **gTHG price fluctuates with floating THC/THG exchange rate**. The price shown in the table below is <mark style="color:orange;">based on the sample exchange rate of</mark> <mark style="color:orange;"></mark><mark style="color:orange;">**0.017**</mark>

![](https://2435608553-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MfvN4TaPcn1wjRr5vyk%2Fuploads%2FuTvj2bFPsOlCDVEUnIVD%2FHeroes%20Cost%20to%20upgrade.png?alt=media\&token=4b07b8fa-6ef6-430e-8a24-00e3f4f4908f)