diff --git a/eco-core/core-nms/v1_17_R1/src/main/kotlin/com/willfp/eco/internal/spigot/proxy/v1_17_R1/ExtendedPersistentDataContainerFactory.kt b/eco-core/core-nms/v1_17_R1/src/main/kotlin/com/willfp/eco/internal/spigot/proxy/v1_17_R1/ExtendedPersistentDataContainerFactory.kt
index d402e3d9..d77ed801 100644
--- a/eco-core/core-nms/v1_17_R1/src/main/kotlin/com/willfp/eco/internal/spigot/proxy/v1_17_R1/ExtendedPersistentDataContainerFactory.kt
+++ b/eco-core/core-nms/v1_17_R1/src/main/kotlin/com/willfp/eco/internal/spigot/proxy/v1_17_R1/ExtendedPersistentDataContainerFactory.kt
@@ -3,16 +3,28 @@ package com.willfp.eco.internal.spigot.proxy.v1_17_R1
 import com.willfp.eco.core.data.ExtendedPersistentDataContainer
 import com.willfp.eco.internal.spigot.proxy.ExtendedPersistentDataContainerFactoryProxy
 import net.minecraft.nbt.Tag
+import org.bukkit.Material
+import org.bukkit.craftbukkit.v1_17_R1.inventory.CraftItemStack
 import org.bukkit.craftbukkit.v1_17_R1.persistence.CraftPersistentDataContainer
 import org.bukkit.craftbukkit.v1_17_R1.persistence.CraftPersistentDataTypeRegistry
+import org.bukkit.inventory.ItemStack
 import org.bukkit.persistence.PersistentDataContainer
 import org.bukkit.persistence.PersistentDataType
 
-class ExtendedPersistentDataContainerFactory: ExtendedPersistentDataContainerFactoryProxy {
+class ExtendedPersistentDataContainerFactory : ExtendedPersistentDataContainerFactoryProxy {
     @Suppress("UNCHECKED_CAST")
-    private val registry: CraftPersistentDataTypeRegistry =
-        CraftPersistentDataContainer::class.java.getDeclaredField("registry")
-            .apply { isAccessible = true }.get(null) as CraftPersistentDataTypeRegistry
+    private val registry: CraftPersistentDataTypeRegistry
+
+    init {
+        /*
+         Can't grab actual instance since it's in CraftMetaItem (which is package-private)
+         And getting it would mean more janky reflection
+         */
+        val item = CraftItemStack.asCraftCopy(ItemStack(Material.STONE))
+        val pdc = item.itemMeta!!.persistentDataContainer
+        this.registry = CraftPersistentDataContainer::class.java.getDeclaredField("registry")
+            .apply { isAccessible = true }.get(pdc) as CraftPersistentDataTypeRegistry
+    }
 
     override fun adapt(pdc: PersistentDataContainer): ExtendedPersistentDataContainer {
         return when (pdc) {
@@ -34,7 +46,8 @@ class ExtendedPersistentDataContainerFactory: ExtendedPersistentDataContainerFac
                 .apply { isAccessible = true }.get(handle) as MutableMap<String, Tag>
 
         override fun <T : Any, Z : Any> set(key: String, dataType: PersistentDataType<T, Z>, value: Z) {
-            customDataTags[key] = registry.wrap(dataType.primitiveType, dataType.toPrimitive(value, handle.adapterContext))
+            customDataTags[key] =
+                registry.wrap(dataType.primitiveType, dataType.toPrimitive(value, handle.adapterContext))
         }
 
         override fun <T : Any, Z : Any> has(key: String, dataType: PersistentDataType<T, Z>): Boolean {
diff --git a/eco-core/core-nms/v1_18_R1/src/main/kotlin/com/willfp/eco/internal/spigot/proxy/v1_18_R1/ExtendedPersistentDataContainerFactory.kt b/eco-core/core-nms/v1_18_R1/src/main/kotlin/com/willfp/eco/internal/spigot/proxy/v1_18_R1/ExtendedPersistentDataContainerFactory.kt
index 91a35bcd..cd9bf0bf 100644
--- a/eco-core/core-nms/v1_18_R1/src/main/kotlin/com/willfp/eco/internal/spigot/proxy/v1_18_R1/ExtendedPersistentDataContainerFactory.kt
+++ b/eco-core/core-nms/v1_18_R1/src/main/kotlin/com/willfp/eco/internal/spigot/proxy/v1_18_R1/ExtendedPersistentDataContainerFactory.kt
@@ -3,16 +3,28 @@ package com.willfp.eco.internal.spigot.proxy.v1_18_R1
 import com.willfp.eco.core.data.ExtendedPersistentDataContainer
 import com.willfp.eco.internal.spigot.proxy.ExtendedPersistentDataContainerFactoryProxy
 import net.minecraft.nbt.Tag
+import org.bukkit.Material
+import org.bukkit.craftbukkit.v1_18_R1.inventory.CraftItemStack
 import org.bukkit.craftbukkit.v1_18_R1.persistence.CraftPersistentDataContainer
 import org.bukkit.craftbukkit.v1_18_R1.persistence.CraftPersistentDataTypeRegistry
+import org.bukkit.inventory.ItemStack
 import org.bukkit.persistence.PersistentDataContainer
 import org.bukkit.persistence.PersistentDataType
 
 class ExtendedPersistentDataContainerFactory : ExtendedPersistentDataContainerFactoryProxy {
     @Suppress("UNCHECKED_CAST")
-    private val registry: CraftPersistentDataTypeRegistry =
-        CraftPersistentDataContainer::class.java.getDeclaredField("registry")
-            .apply { isAccessible = true }.get(null) as CraftPersistentDataTypeRegistry
+    private val registry: CraftPersistentDataTypeRegistry
+
+    init {
+        /*
+         Can't grab actual instance since it's in CraftMetaItem (which is package-private)
+         And getting it would mean more janky reflection
+         */
+        val item = CraftItemStack.asCraftCopy(ItemStack(Material.STONE))
+        val pdc = item.itemMeta!!.persistentDataContainer
+        this.registry = CraftPersistentDataContainer::class.java.getDeclaredField("registry")
+            .apply { isAccessible = true }.get(pdc) as CraftPersistentDataTypeRegistry
+    }
 
     override fun adapt(pdc: PersistentDataContainer): ExtendedPersistentDataContainer {
         return when (pdc) {
diff --git a/eco-core/core-nms/v1_18_R2/src/main/kotlin/com/willfp/eco/internal/spigot/proxy/v1_18_R2/ExtendedPersistentDataContainerFactory.kt b/eco-core/core-nms/v1_18_R2/src/main/kotlin/com/willfp/eco/internal/spigot/proxy/v1_18_R2/ExtendedPersistentDataContainerFactory.kt
index ec30ae8c..b3ff5f5e 100644
--- a/eco-core/core-nms/v1_18_R2/src/main/kotlin/com/willfp/eco/internal/spigot/proxy/v1_18_R2/ExtendedPersistentDataContainerFactory.kt
+++ b/eco-core/core-nms/v1_18_R2/src/main/kotlin/com/willfp/eco/internal/spigot/proxy/v1_18_R2/ExtendedPersistentDataContainerFactory.kt
@@ -3,16 +3,28 @@ package com.willfp.eco.internal.spigot.proxy.v1_18_R2
 import com.willfp.eco.core.data.ExtendedPersistentDataContainer
 import com.willfp.eco.internal.spigot.proxy.ExtendedPersistentDataContainerFactoryProxy
 import net.minecraft.nbt.Tag
+import org.bukkit.Material
+import org.bukkit.craftbukkit.v1_18_R2.inventory.CraftItemStack
 import org.bukkit.craftbukkit.v1_18_R2.persistence.CraftPersistentDataContainer
 import org.bukkit.craftbukkit.v1_18_R2.persistence.CraftPersistentDataTypeRegistry
+import org.bukkit.inventory.ItemStack
 import org.bukkit.persistence.PersistentDataContainer
 import org.bukkit.persistence.PersistentDataType
 
-class ExtendedPersistentDataContainerFactory: ExtendedPersistentDataContainerFactoryProxy {
+class ExtendedPersistentDataContainerFactory : ExtendedPersistentDataContainerFactoryProxy {
     @Suppress("UNCHECKED_CAST")
-    private val registry: CraftPersistentDataTypeRegistry =
-        CraftPersistentDataContainer::class.java.getDeclaredField("registry")
-            .apply { isAccessible = true }.get(null) as CraftPersistentDataTypeRegistry
+    private val registry: CraftPersistentDataTypeRegistry
+
+    init {
+        /*
+         Can't grab actual instance since it's in CraftMetaItem (which is package-private)
+         And getting it would mean more janky reflection
+         */
+        val item = CraftItemStack.asCraftCopy(ItemStack(Material.STONE))
+        val pdc = item.itemMeta!!.persistentDataContainer
+        this.registry = CraftPersistentDataContainer::class.java.getDeclaredField("registry")
+            .apply { isAccessible = true }.get(pdc) as CraftPersistentDataTypeRegistry
+    }
 
     override fun adapt(pdc: PersistentDataContainer): ExtendedPersistentDataContainer {
         return when (pdc) {
@@ -34,7 +46,8 @@ class ExtendedPersistentDataContainerFactory: ExtendedPersistentDataContainerFac
                 .apply { isAccessible = true }.get(handle) as MutableMap<String, Tag>
 
         override fun <T : Any, Z : Any> set(key: String, dataType: PersistentDataType<T, Z>, value: Z) {
-            customDataTags[key] = registry.wrap(dataType.primitiveType, dataType.toPrimitive(value, handle.adapterContext))
+            customDataTags[key] =
+                registry.wrap(dataType.primitiveType, dataType.toPrimitive(value, handle.adapterContext))
         }
 
         override fun <T : Any, Z : Any> has(key: String, dataType: PersistentDataType<T, Z>): Boolean {
diff --git a/eco-core/core-nms/v1_19_R1/src/main/kotlin/com/willfp/eco/internal/spigot/proxy/v1_19_R1/ExtendedPersistentDataContainerFactory.kt b/eco-core/core-nms/v1_19_R1/src/main/kotlin/com/willfp/eco/internal/spigot/proxy/v1_19_R1/ExtendedPersistentDataContainerFactory.kt
index 3c6dd2d5..c6d8c35e 100644
--- a/eco-core/core-nms/v1_19_R1/src/main/kotlin/com/willfp/eco/internal/spigot/proxy/v1_19_R1/ExtendedPersistentDataContainerFactory.kt
+++ b/eco-core/core-nms/v1_19_R1/src/main/kotlin/com/willfp/eco/internal/spigot/proxy/v1_19_R1/ExtendedPersistentDataContainerFactory.kt
@@ -3,21 +3,33 @@ package com.willfp.eco.internal.spigot.proxy.v1_19_R1
 import com.willfp.eco.core.data.ExtendedPersistentDataContainer
 import com.willfp.eco.internal.spigot.proxy.ExtendedPersistentDataContainerFactoryProxy
 import net.minecraft.nbt.Tag
+import org.bukkit.Material
+import org.bukkit.craftbukkit.v1_19_R1.inventory.CraftItemStack
 import org.bukkit.craftbukkit.v1_19_R1.persistence.CraftPersistentDataContainer
 import org.bukkit.craftbukkit.v1_19_R1.persistence.CraftPersistentDataTypeRegistry
+import org.bukkit.inventory.ItemStack
 import org.bukkit.persistence.PersistentDataContainer
 import org.bukkit.persistence.PersistentDataType
 
-class ExtendedPersistentDataContainerFactory: ExtendedPersistentDataContainerFactoryProxy {
+class ExtendedPersistentDataContainerFactory : ExtendedPersistentDataContainerFactoryProxy {
     @Suppress("UNCHECKED_CAST")
-    private val registry: CraftPersistentDataTypeRegistry =
-        CraftPersistentDataContainer::class.java.getDeclaredField("registry")
-            .apply { isAccessible = true }.get(null) as CraftPersistentDataTypeRegistry
+    private val registry: CraftPersistentDataTypeRegistry
+
+    init {
+        /*
+         Can't grab actual instance since it's in CraftMetaItem (which is package-private)
+         And getting it would mean more janky reflection
+         */
+        val item = CraftItemStack.asCraftCopy(ItemStack(Material.STONE))
+        val pdc = item.itemMeta!!.persistentDataContainer
+        this.registry = CraftPersistentDataContainer::class.java.getDeclaredField("registry")
+            .apply { isAccessible = true }.get(pdc) as CraftPersistentDataTypeRegistry
+    }
 
     override fun adapt(pdc: PersistentDataContainer): ExtendedPersistentDataContainer {
         return when (pdc) {
             is CraftPersistentDataContainer -> EcoPersistentDataContainer(pdc)
-            else -> throw IllegalArgumentException("Custom PDC instance is not supported!")
+            else -> throw IllegalArgumentException("Custom PDC instance ims not supported!")
         }
     }
 
@@ -34,7 +46,8 @@ class ExtendedPersistentDataContainerFactory: ExtendedPersistentDataContainerFac
                 .apply { isAccessible = true }.get(handle) as MutableMap<String, Tag>
 
         override fun <T : Any, Z : Any> set(key: String, dataType: PersistentDataType<T, Z>, value: Z) {
-            customDataTags[key] = registry.wrap(dataType.primitiveType, dataType.toPrimitive(value, handle.adapterContext))
+            customDataTags[key] =
+                registry.wrap(dataType.primitiveType, dataType.toPrimitive(value, handle.adapterContext))
         }
 
         override fun <T : Any, Z : Any> has(key: String, dataType: PersistentDataType<T, Z>): Boolean {