diff --git a/zs.docs/SystemMastery/Hero Damage.md b/zs.docs/SystemMastery/Hero Damage.md
index 8813548..43e7a86 100644
--- a/zs.docs/SystemMastery/Hero Damage.md	
+++ b/zs.docs/SystemMastery/Hero Damage.md	
@@ -7,6 +7,8 @@ level_4: +3% hero damage
 level_5: -5% cooldown on heroes abilities
 availableSystems:
   - "[[Stronghold Atlas]]"
+  - "[[Hyperion Nebula]]"
+  - "[[Stronghold Leo]]"
 heroDamage: 0.12
 heroCooldown: 0.05
 ---