diff --git a/README.md b/README.md
index 682e087..e4e9ead 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,10 @@
 
 This datapack adds Better Combat compatibility to the following weapons.
 
+## Cataclysm
+
+- Zweiender (Claymore)
+
 ## Industrial Foregoing
 
 - Infinity Drill (Claw)
diff --git a/data/cataclysm/weapon_attributes/zweiender.json b/data/cataclysm/weapon_attributes/zweiender.json
new file mode 100644
index 0000000..64419af
--- /dev/null
+++ b/data/cataclysm/weapon_attributes/zweiender.json
@@ -0,0 +1,3 @@
+{
+    "parent": "bettercombat:claymore"
+  }