You can invite friends by copying your referral code or referral link.
**When** **your invited friends purchase gate keys of different ranks, you will receive Essence Stones as rewards:**
| Invited Friend Action | Reward |
| --------------------------- | ------------------ |
| Purchase of D-rank Gate Key | 15 Essence Stones |
| Purchase of C-rank Gate Key | 45 Essence Stones |
| Purchase of B-rank Gate Key | 120 Essence Stones |
| Purchase of A-rank Gate Key | 220 Essence Stones |
| Purchase of S-rank Gate Key | 310 Essence Stones |
You can track your invited friends' activities in the Invited List section, which can be sorted by newest or oldest for easy management.
Additionally, **you can enter another user's referral code to view information connected to that code.**
**Referral code automatically resets after 30 days.**
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# Agent Instructions: Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.
Perform an HTTP GET request on the current page URL with the `ask` query parameter:
```
GET https://doc.sololeveling.space/user-guide/my-menu/referrals.md?ask=
```
The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.
Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.