diff --git a/docs/INSTANCES.md b/docs/INSTANCES.md
index 0f1abcf7..a13d30b0 100644
--- a/docs/INSTANCES.md
+++ b/docs/INSTANCES.md
@@ -28,3 +28,13 @@
   - **RYD-Proxy:** No
   - **Syncious integration:** No
   - **Self-hosted PeerJS:** No
+
+- [materialious.darkness.services](https://materialious.darkness.services/) ([Onion address](http://materialious.darknessrdor43qkl2ngwitj72zdavfz2cead4t5ed72bybgauww5lyd.onion/))
+  - **Location:** USA
+  - **Threads:** 10
+  - **IPV6 rotation:** Yes
+  - **Man in the Middle:** No
+  - **Accounts:** Yes
+  - **RYD-Proxy:** Yes
+  - **Syncious integration:** Yes
+  - **Self-hosted PeerJS:** Yes