diff --git a/assets/images/buttons/greatsword.png b/assets/images/buttons/greatsword.png
new file mode 100644
index 0000000..6a8b49f
Binary files /dev/null and b/assets/images/buttons/greatsword.png differ
diff --git a/index.html b/index.html
index da7778b..d5cf1bf 100644
--- a/index.html
+++ b/index.html
@@ -76,6 +76,9 @@
         <a href="https://authenyo.xyz" target="_blank" rel="noopener noreferrer">
 			<img src="assets/images/buttons/authen.gif" alt="Authen button" />
         </a>
+        <a href="https://greatsword.xyz" target="_blank" rel="noopener noreferrer">
+            <img src="assets/images/buttons/greatsword.png" alt="Greatsword button" />
+        </a>
         <a href="http://[300:5506:25eb:d0d9::]" target="_blank" rel="noopener noreferrer">
 			<img src="assets/images/buttons/midgard.png" alt="Midgard button" />
         </a>