> For the complete documentation index, see [llms.txt](https://whitepaper.stepn.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://whitepaper.stepn.com/game-module/gem-upgrade.md).

# Gem Upgrade

Upgrade Gems in the Upgrade tab by burning GST and combining 3 same-level, same-type Gems into a higher-level Gem. From Level 4, GMT is required for upgrades.

**Note:**

* **Gem upgrades can fail at lower levels, resulting in lost Gems.**
* **Gems are in-app asset and cannot be transferred to Wallet.**

<table data-header-hidden><thead><tr><th width="151"></th><th width="133"></th><th width="271"></th><th></th></tr></thead><tbody><tr><td><strong>Gem Level</strong></td><td><strong>Attribute</strong></td><td><strong>Awakening Effect</strong></td><td><strong>Success Rate</strong></td></tr><tr><td>1</td><td>+2</td><td>+5% Base Attribute</td><td>35%</td></tr><tr><td>2</td><td>+8</td><td>+70% Base Attribute</td><td>55%</td></tr><tr><td>3</td><td>+25</td><td>+220% Base Attribute</td><td>65%</td></tr><tr><td>4</td><td>+72</td><td>+600% Base Attribute</td><td>75%</td></tr><tr><td>5</td><td>+200</td><td>+1400% Base Attribute</td><td>85%</td></tr><tr><td>6</td><td>+400</td><td>+4300% Base Attribute</td><td>100%</td></tr><tr><td>7</td><td>+777</td><td>+11000% Base Attribute</td><td>100%</td></tr><tr><td>8</td><td>+1888</td><td>+28000% Base Attribute</td><td>100%</td></tr><tr><td>9</td><td>+6789</td><td>+66000% Base Attribute</td><td>NA</td></tr></tbody></table>

**Warning**: Gem upgrades from Level 1 to 5 have a failure risk. Should an upgrade attempt fail, the player will lose the GMT, GST, and Gems that they used.

**Awakening Effect:** Enhances Sneaker's Base Attribute. For example, a Level 2 Efficiency Gem boosts a Level 0 Sneaker with base Efficiency of 5 to a total of 15, factoring in both the gem's Attribute and its awakening effect.


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