diff --git a/eco-core/core-plugin/src/main/kotlin/com/willfp/ecoenchants/enchants/EcoEnchants.kt b/eco-core/core-plugin/src/main/kotlin/com/willfp/ecoenchants/enchants/EcoEnchants.kt
index 26366747..ac070637 100644
--- a/eco-core/core-plugin/src/main/kotlin/com/willfp/ecoenchants/enchants/EcoEnchants.kt
+++ b/eco-core/core-plugin/src/main/kotlin/com/willfp/ecoenchants/enchants/EcoEnchants.kt
@@ -37,6 +37,19 @@ object EcoEnchants {
         return ImmutableSet.copyOf(BY_KEY.keys)
     }
 
+    /**
+     * Get [EcoEnchant] matching id.
+     *
+     * @param id The id to search for.
+     * @return The matching [EcoEnchant], or null if not found.
+     */
+    @JvmStatic
+    fun getByID(id: String?): EcoEnchant? {
+        return if (id == null) {
+            null
+        } else BY_KEY[id]
+    }
+
     /**
      * Get [EcoEnchant] matching key.
      *
@@ -44,10 +57,10 @@ object EcoEnchants {
      * @return The matching [EcoEnchant], or null if not found.
      */
     @JvmStatic
-    fun getByKey(key: String?): EcoEnchant? {
+    fun getByKey(key: NamespacedKey?): EcoEnchant? {
         return if (key == null) {
             null
-        } else BY_KEY[key]
+        } else getByID(key.key)
     }
 
     /**
diff --git a/eco-core/core-plugin/src/main/kotlin/com/willfp/ecoenchants/enchants/impl/EnchantmentPermanenceCurse.kt b/eco-core/core-plugin/src/main/kotlin/com/willfp/ecoenchants/enchants/impl/EnchantmentPermanenceCurse.kt
new file mode 100644
index 00000000..ae57a590
--- /dev/null
+++ b/eco-core/core-plugin/src/main/kotlin/com/willfp/ecoenchants/enchants/impl/EnchantmentPermanenceCurse.kt
@@ -0,0 +1,12 @@
+package com.willfp.ecoenchants.enchants.impl
+
+import com.willfp.ecoenchants.EcoEnchantsPlugin
+import com.willfp.ecoenchants.enchants.EcoEnchant
+
+class EnchantmentPermanenceCurse(
+    plugin: EcoEnchantsPlugin
+) : EcoEnchant(
+    "permanence_curse",
+    plugin,
+    force = false
+)
diff --git a/eco-core/core-plugin/src/main/kotlin/com/willfp/ecoenchants/mechanics/AnvilSupport.kt b/eco-core/core-plugin/src/main/kotlin/com/willfp/ecoenchants/mechanics/AnvilSupport.kt
index 0c5e81a9..36c6c9c0 100644
--- a/eco-core/core-plugin/src/main/kotlin/com/willfp/ecoenchants/mechanics/AnvilSupport.kt
+++ b/eco-core/core-plugin/src/main/kotlin/com/willfp/ecoenchants/mechanics/AnvilSupport.kt
@@ -4,6 +4,7 @@ import com.willfp.eco.core.EcoPlugin
 import com.willfp.eco.core.fast.fast
 import com.willfp.eco.core.proxy.ProxyConstants
 import com.willfp.eco.util.StringUtils
+import com.willfp.ecoenchants.enchants.EcoEnchants
 import com.willfp.ecoenchants.proxy.proxies.OpenInventoryProxy
 import org.bukkit.ChatColor
 import org.bukkit.Material
@@ -142,6 +143,14 @@ class AnvilSupport(
             ChatColor.stripColor(itemName)
         }.let { if (it.isNullOrEmpty()) left.fast().displayName else it }
 
+        val permanenceCurse = EcoEnchants.getByID("permanence_curse")
+
+        if (permanenceCurse != null) {
+            if (left.fast().getEnchants(true).containsKey(permanenceCurse)) {
+                return FAIL
+            }
+        }
+
         if (right == null || right.type == Material.AIR) {
             if (left.fast().displayName == formattedItemName) {
                 return FAIL
diff --git a/eco-core/core-plugin/src/main/resources/enchants/breaklessness_curse.yml b/eco-core/core-plugin/src/main/resources/enchants/breaklessness_curse.yml
index 736bcd63..046b0bb4 100644
--- a/eco-core/core-plugin/src/main/resources/enchants/breaklessness_curse.yml
+++ b/eco-core/core-plugin/src/main/resources/enchants/breaklessness_curse.yml
@@ -14,7 +14,7 @@ max-level: 1
 
 tradeable: true
 discoverable: true
-enchantable: true
+enchantable: false
 
 effects:
   - id: cancel_event
diff --git a/eco-core/core-plugin/src/main/resources/enchants/harmlessness_curse.yml b/eco-core/core-plugin/src/main/resources/enchants/harmlessness_curse.yml
index b357e608..c5f74764 100644
--- a/eco-core/core-plugin/src/main/resources/enchants/harmlessness_curse.yml
+++ b/eco-core/core-plugin/src/main/resources/enchants/harmlessness_curse.yml
@@ -12,7 +12,7 @@ max-level: 1
 
 tradeable: true
 discoverable: true
-enchantable: true
+enchantable: false
 
 effects:
   - id: cancel_event
diff --git a/eco-core/core-plugin/src/main/resources/enchants/hunger_curse.yml b/eco-core/core-plugin/src/main/resources/enchants/hunger_curse.yml
index 54c4ef57..06399167 100644
--- a/eco-core/core-plugin/src/main/resources/enchants/hunger_curse.yml
+++ b/eco-core/core-plugin/src/main/resources/enchants/hunger_curse.yml
@@ -11,7 +11,7 @@ max-level: 1
 
 tradeable: true
 discoverable: true
-enchantable: true
+enchantable: false
 
 effects:
   - id: hunger_multiplier
diff --git a/eco-core/core-plugin/src/main/resources/enchants/curse_of_misfortune.yml b/eco-core/core-plugin/src/main/resources/enchants/misfortune_curse.yml
similarity index 95%
rename from eco-core/core-plugin/src/main/resources/enchants/curse_of_misfortune.yml
rename to eco-core/core-plugin/src/main/resources/enchants/misfortune_curse.yml
index 403017c9..e86b8f1e 100644
--- a/eco-core/core-plugin/src/main/resources/enchants/curse_of_misfortune.yml
+++ b/eco-core/core-plugin/src/main/resources/enchants/misfortune_curse.yml
@@ -14,7 +14,7 @@ max-level: 1
 
 tradeable: true
 discoverable: true
-enchantable: true
+enchantable: false
 
 effects:
   - id: cancel_event
diff --git a/eco-core/core-plugin/src/main/resources/enchants/permanence_curse.yml b/eco-core/core-plugin/src/main/resources/enchants/permanence_curse.yml
new file mode 100644
index 00000000..8fbcb564
--- /dev/null
+++ b/eco-core/core-plugin/src/main/resources/enchants/permanence_curse.yml
@@ -0,0 +1,15 @@
+display-name: "Curse of Permanence"
+description: "Prevents modifying this item in an anvil"
+type: curse
+
+targets:
+  - all
+conflicts: [ ]
+rarity: legendary
+max-level: 1
+
+tradeable: true
+discoverable: true
+enchantable: false
+
+conditions: [ ]