> For the complete documentation index, see [llms.txt](https://doc.sololeveling.space/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.sololeveling.space/user-guide/leveling/upgrade.md).

# Upgrade

Users can **only** upgrade:

1. **S-Rank Monster Card**
2. **Shadow Army Cards (SB and SA-Rank Only)**

<figure><img src="https://2020860783-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FAIgRNI5ydTUXOFd493de%2Fuploads%2FWPKlJ27qgqSSJVhJLYfk%2FScreenshot%202025-03-19%20at%201.40.46%E2%80%AFPM.png?alt=media&amp;token=c5c9fab9-3f13-4e40-be4c-5fce051cbafc" alt=""><figcaption></figcaption></figure>

#### Shadow Army Cards Rank \[SB-Rank < SA-Rank < SS-Rank]:

S-Rank Monster Cards can be upgraded to SB-Rank Shadow Army Cards.

For higher ranks, users can use Essence Stones to upgrade:

* SB-Rank Shadow Army Card for a chance to obtain SA-Rank Shadow Army Card.
* SA-Rank Shadow Army Card for a chance to obtain **SS-Rank Shadow Army Card**.

<figure><img src="https://2020860783-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FAIgRNI5ydTUXOFd493de%2Fuploads%2FZkp8IRu5RpAHkY0i2iAF%2F5.%20%E1%84%85%E1%85%A6%E1%84%87%E1%85%A6%E1%86%AF%E1%84%85%E1%85%B5%E1%86%BC%20%E1%84%8B%E1%85%A5%E1%86%B8%E1%84%80%E1%85%B3%E1%84%85%E1%85%A6%E1%84%8B%E1%85%B5%E1%84%83%E1%85%B3%20%E1%84%91%E1%85%AD.png?alt=media&amp;token=40b3b748-b012-448f-b209-572089aad116" alt=""><figcaption><p>Upgrade Requirements by Shadow Army Rank</p></figcaption></figure>

| Collectible Type | On Successful Upgrade | On Failed Upgrade |
| ---------------- | --------------------- | ----------------- |
| Cards            | Burned                | **Retained**      |
| Essence Stones   | Burned                | Burned            |