diff --git a/zs.docs/SystemMastery/Unit Health and Shields.md b/zs.docs/SystemMastery/Unit Health and Shields.md
index ebad6ae..e938b26 100644
--- a/zs.docs/SystemMastery/Unit Health and Shields.md	
+++ b/zs.docs/SystemMastery/Unit Health and Shields.md	
@@ -11,6 +11,7 @@ availableSystems:
   - "[[Forge of Souls]]"
   - "[[Typhon's Call]]"
   - "[[Neera's Gift]]"
+  - "[[Ivory Steel]]"
 unitHealthAndShields: 0.04
 unitHealthAndShieldRegen: 1
 ---