diff --git a/src/main/java/org/spongepowered/common/mixin/api/mcp/entity/boss/dragon/EnderDragonEntityMixin_API.java b/src/main/java/org/spongepowered/common/mixin/api/mcp/entity/boss/dragon/EnderDragonEntityMixin_API.java
index 96fc3d630d0..c32c773acf1 100644
--- a/src/main/java/org/spongepowered/common/mixin/api/mcp/entity/boss/dragon/EnderDragonEntityMixin_API.java
+++ b/src/main/java/org/spongepowered/common/mixin/api/mcp/entity/boss/dragon/EnderDragonEntityMixin_API.java
@@ -26,8 +26,8 @@
 
 import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.ImmutableSet.Builder;
-import net.minecraft.entity.MultiPartEntityPart;
 import net.minecraft.entity.boss.dragon.EnderDragonEntity;
+import net.minecraft.entity.boss.dragon.EnderDragonPartEntity;
 import net.minecraft.entity.boss.dragon.phase.PhaseManager;
 import net.minecraft.entity.item.EnderCrystalEntity;
 import net.minecraft.world.end.DragonFightManager;
@@ -48,16 +48,16 @@
 @Mixin(EnderDragonEntity.class)
 public abstract class EnderDragonEntityMixin_API extends MobEntityMixin_API implements EnderDragon {
 
-    @Shadow public MultiPartEntityPart[] dragonPartArray;
-    @Shadow public EnderCrystalEntity healingEnderCrystal;
-    @Final @Shadow private DragonFightManager fightManager;
+    @Shadow public EnderDragonPartEntity[] dragonParts;
+    @Shadow public EnderCrystalEntity closestEnderCrystal;
+    @Shadow @Final private DragonFightManager fightManager;
     @Shadow @Final private PhaseManager phaseManager;
 
     @Override
     public Set<EnderDragonPart> getParts() {
         Builder<EnderDragonPart> builder = ImmutableSet.builder();
 
-        for (MultiPartEntityPart part : this.dragonPartArray) {
+        for (EnderDragonPartEntity part : this.dragonParts) {
             builder.add((EnderDragonPart) part);
         }
 
@@ -66,7 +66,7 @@ public Set<EnderDragonPart> getParts() {
 
     @Override
     public Optional<EnderCrystal> getHealingCrystal() {
-        return Optional.ofNullable((EnderCrystal) this.healingEnderCrystal);
+        return Optional.ofNullable((EnderCrystal) this.closestEnderCrystal);
     }
 
 
diff --git a/src/main/java/org/spongepowered/common/mixin/invalid/api/mcp/entity/MultiPartEntityPartMixin_API.java b/src/main/java/org/spongepowered/common/mixin/api/mcp/entity/boss/dragon/EnderDragonPartEntityMixin_API.java
similarity index 79%
rename from src/main/java/org/spongepowered/common/mixin/invalid/api/mcp/entity/MultiPartEntityPartMixin_API.java
rename to src/main/java/org/spongepowered/common/mixin/api/mcp/entity/boss/dragon/EnderDragonPartEntityMixin_API.java
index 45e1fd191fc..59ba565fb01 100644
--- a/src/main/java/org/spongepowered/common/mixin/invalid/api/mcp/entity/MultiPartEntityPartMixin_API.java
+++ b/src/main/java/org/spongepowered/common/mixin/api/mcp/entity/boss/dragon/EnderDragonPartEntityMixin_API.java
@@ -22,10 +22,10 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */
-package org.spongepowered.common.mixin.invalid.api.mcp.entity;
+package org.spongepowered.common.mixin.api.mcp.entity.boss.dragon;
 
-import net.minecraft.entity.IEntityMultiPart;
-import net.minecraft.entity.MultiPartEntityPart;
+import net.minecraft.entity.boss.dragon.EnderDragonEntity;
+import net.minecraft.entity.boss.dragon.EnderDragonPartEntity;
 import org.spongepowered.api.entity.living.monster.boss.dragon.EnderDragon;
 import org.spongepowered.api.entity.living.monster.boss.dragon.EnderDragonPart;
 import org.spongepowered.asm.mixin.Final;
@@ -33,14 +33,14 @@
 import org.spongepowered.asm.mixin.Shadow;
 import org.spongepowered.common.mixin.api.mcp.entity.EntityMixin_API;
 
-@Mixin(MultiPartEntityPart.class)
-public abstract class MultiPartEntityPartMixin_API extends EntityMixin_API implements EnderDragonPart {
+@Mixin(EnderDragonPartEntity.class)
+public abstract class EnderDragonPartEntityMixin_API extends EntityMixin_API implements EnderDragonPart {
 
-    @Shadow @Final public IEntityMultiPart parent;
+    @Shadow @Final public EnderDragonEntity dragon;
 
     @Override
     public EnderDragon getParent() {
-        return (EnderDragon) this.parent;
+        return (EnderDragon) this.dragon;
     }
 
 }
diff --git a/src/main/java/org/spongepowered/common/mixin/invalid/api/mcp/block/properties/PropertyBooleanMixin_API.java b/src/main/java/org/spongepowered/common/mixin/api/mcp/state/BooleanPropertyMixin_API.java
similarity index 82%
rename from src/main/java/org/spongepowered/common/mixin/invalid/api/mcp/block/properties/PropertyBooleanMixin_API.java
rename to src/main/java/org/spongepowered/common/mixin/api/mcp/state/BooleanPropertyMixin_API.java
index 665aa18e409..ea3906e4588 100644
--- a/src/main/java/org/spongepowered/common/mixin/invalid/api/mcp/block/properties/PropertyBooleanMixin_API.java
+++ b/src/main/java/org/spongepowered/common/mixin/api/mcp/state/BooleanPropertyMixin_API.java
@@ -22,13 +22,13 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */
-package org.spongepowered.common.mixin.invalid.api.mcp.block.properties;
+package org.spongepowered.common.mixin.api.mcp.state;
 
-import net.minecraft.block.properties.PropertyBool;
+import net.minecraft.state.BooleanProperty;
 import org.spongepowered.api.state.BooleanStateProperty;
 import org.spongepowered.asm.mixin.Mixin;
 
-@Mixin(value = PropertyBool.class)
-public abstract class PropertyBooleanMixin_API extends PropertyHelperMixin_API<Boolean> implements BooleanStateProperty {
+@Mixin(value = BooleanProperty.class)
+public abstract class BooleanPropertyMixin_API extends PropertyMixin_API<Boolean> implements BooleanStateProperty {
 
 }
diff --git a/src/main/java/org/spongepowered/common/mixin/invalid/api/mcp/block/properties/PropertyEnumMixin_API.java b/src/main/java/org/spongepowered/common/mixin/api/mcp/state/EnumPropertyMixin_API.java
similarity index 82%
rename from src/main/java/org/spongepowered/common/mixin/invalid/api/mcp/block/properties/PropertyEnumMixin_API.java
rename to src/main/java/org/spongepowered/common/mixin/api/mcp/state/EnumPropertyMixin_API.java
index d93f8486e58..5d162d6f074 100644
--- a/src/main/java/org/spongepowered/common/mixin/invalid/api/mcp/block/properties/PropertyEnumMixin_API.java
+++ b/src/main/java/org/spongepowered/common/mixin/api/mcp/state/EnumPropertyMixin_API.java
@@ -22,13 +22,13 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */
-package org.spongepowered.common.mixin.invalid.api.mcp.block.properties;
+package org.spongepowered.common.mixin.api.mcp.state;
 
-import net.minecraft.block.properties.PropertyEnum;
+import net.minecraft.state.EnumProperty;
 import org.spongepowered.api.state.EnumStateProperty;
 import org.spongepowered.asm.mixin.Mixin;
 
-@Mixin(value = PropertyEnum.class)
-public abstract class PropertyEnumMixin_API<E extends Enum<E>> extends PropertyHelperMixin_API<E> implements EnumStateProperty<E> {
+@Mixin(value = EnumProperty.class)
+public abstract class EnumPropertyMixin_API<E extends Enum<E>> extends PropertyMixin_API<E> implements EnumStateProperty<E> {
 
 }
diff --git a/src/main/java/org/spongepowered/common/mixin/invalid/api/mcp/block/properties/IPropertyMixin_API.java b/src/main/java/org/spongepowered/common/mixin/api/mcp/state/IPropertyMixin_API.java
similarity index 82%
rename from src/main/java/org/spongepowered/common/mixin/invalid/api/mcp/block/properties/IPropertyMixin_API.java
rename to src/main/java/org/spongepowered/common/mixin/api/mcp/state/IPropertyMixin_API.java
index b57fcedcd8d..3b1cd8fc495 100644
--- a/src/main/java/org/spongepowered/common/mixin/invalid/api/mcp/block/properties/IPropertyMixin_API.java
+++ b/src/main/java/org/spongepowered/common/mixin/api/mcp/state/IPropertyMixin_API.java
@@ -22,9 +22,10 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */
-package org.spongepowered.common.mixin.invalid.api.mcp.block.properties;
+package org.spongepowered.common.mixin.api.mcp.state;
 
-import net.minecraft.block.properties.IProperty;
+import net.minecraft.state.IProperty;
+import org.spongepowered.api.CatalogKey;
 import org.spongepowered.api.state.StateProperty;
 import org.spongepowered.api.util.Functional;
 import org.spongepowered.asm.mixin.Implements;
@@ -48,33 +49,33 @@
  * @param <T> The type of comparable.
  */
 @Mixin(value = IProperty.class)
-@Implements(@Interface(iface = StateProperty.class, prefix = "trait$"))
+@Implements(@Interface(iface = StateProperty.class, prefix = "state$"))
 public interface IPropertyMixin_API<T extends Comparable<T>> extends IProperty<T> {
 
-    default String trait$getId() {
+    default CatalogKey state$getKey() {
         return BlockTypeRegistryModule.getInstance().getIdFor(this);
     }
 
     @Intrinsic
-    default String trait$getName() {
+    default String state$getName() {
         return getName();
     }
 
-    default Collection<T> trait$getPossibleValues() {
+    default Collection<T> state$getPossibleValues() {
         return getAllowedValues();
     }
 
     @Intrinsic
-    default Class<T> trait$getValueClass() {
+    default Class<T> state$getValueClass() {
         return getValueClass();
     }
 
-    default Predicate<T> trait$getPredicate() {
+    default Predicate<T> state$getPredicate() {
         return Functional.predicateIn(getAllowedValues());
     }
 
     @Intrinsic
-    default Optional<T> trait$parseValue(final String value) {
-        return parseValue(value).toJavaUtil();
+    default Optional<T> state$parseValue(final String value) {
+        return parseValue(value);
     }
 }
diff --git a/src/main/java/org/spongepowered/common/mixin/invalid/api/mcp/block/properties/PropertyIntegerMixin_API.java b/src/main/java/org/spongepowered/common/mixin/api/mcp/state/IntegerPropertyMixin_API.java
similarity index 82%
rename from src/main/java/org/spongepowered/common/mixin/invalid/api/mcp/block/properties/PropertyIntegerMixin_API.java
rename to src/main/java/org/spongepowered/common/mixin/api/mcp/state/IntegerPropertyMixin_API.java
index d01828426c4..48789b4898b 100644
--- a/src/main/java/org/spongepowered/common/mixin/invalid/api/mcp/block/properties/PropertyIntegerMixin_API.java
+++ b/src/main/java/org/spongepowered/common/mixin/api/mcp/state/IntegerPropertyMixin_API.java
@@ -22,13 +22,13 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */
-package org.spongepowered.common.mixin.invalid.api.mcp.block.properties;
+package org.spongepowered.common.mixin.api.mcp.state;
 
-import net.minecraft.block.properties.PropertyInteger;
+import net.minecraft.state.IntegerProperty;
 import org.spongepowered.api.state.IntegerStateProperty;
 import org.spongepowered.asm.mixin.Mixin;
 
-@Mixin(value = PropertyInteger.class)
-public abstract class PropertyIntegerMixin_API extends PropertyHelperMixin_API<Integer> implements IntegerStateProperty {
+@Mixin(value = IntegerProperty.class)
+public abstract class IntegerPropertyMixin_API extends PropertyMixin_API<Integer> implements IntegerStateProperty {
 
 }
diff --git a/src/main/java/org/spongepowered/common/mixin/invalid/api/mcp/block/properties/PropertyHelperMixin_API.java b/src/main/java/org/spongepowered/common/mixin/api/mcp/state/PropertyMixin_API.java
similarity index 86%
rename from src/main/java/org/spongepowered/common/mixin/invalid/api/mcp/block/properties/PropertyHelperMixin_API.java
rename to src/main/java/org/spongepowered/common/mixin/api/mcp/state/PropertyMixin_API.java
index f8a97202649..2eccbddcfb2 100644
--- a/src/main/java/org/spongepowered/common/mixin/invalid/api/mcp/block/properties/PropertyHelperMixin_API.java
+++ b/src/main/java/org/spongepowered/common/mixin/api/mcp/state/PropertyMixin_API.java
@@ -22,10 +22,10 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */
-package org.spongepowered.common.mixin.invalid.api.mcp.block.properties;
+package org.spongepowered.common.mixin.api.mcp.state;
 
-import net.minecraft.block.properties.AbstractProperty;
-import net.minecraft.block.properties.IProperty;
+import net.minecraft.state.IProperty;
+import net.minecraft.state.Property;
 import org.spongepowered.api.state.StateProperty;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.common.registry.provider.BlockPropertyIdProvider;
@@ -40,8 +40,8 @@
  *
  * @param <T> The type of comparable
  */
-@Mixin(value = AbstractProperty.class)
-public abstract class PropertyHelperMixin_API<T extends Comparable<T>> implements StateProperty<T> {
+@Mixin(value = Property.class)
+public abstract class PropertyMixin_API<T extends Comparable<T>> implements StateProperty<T> {
 
     @Nullable private String api$IdString = null;
 
@@ -49,7 +49,7 @@ public abstract class PropertyHelperMixin_API<T extends Comparable<T>> implement
     @Override
     public String getId() {
         if (this.api$IdString == null) {
-            this.api$IdString =  BlockPropertyIdProvider.getIdFor((IProperty) this);
+            this.api$IdString =  BlockPropertyIdProvider.getIdFor((IProperty<T>) this);
         }
         return this.api$IdString;
     }
diff --git a/src/main/java/org/spongepowered/common/mixin/invalid/core/block/properties/PropertyBooleanMixin.java b/src/main/java/org/spongepowered/common/mixin/core/state/BooleanPropertyMixin.java
similarity index 89%
rename from src/main/java/org/spongepowered/common/mixin/invalid/core/block/properties/PropertyBooleanMixin.java
rename to src/main/java/org/spongepowered/common/mixin/core/state/BooleanPropertyMixin.java
index 6a11f484749..992ed854e7a 100644
--- a/src/main/java/org/spongepowered/common/mixin/invalid/core/block/properties/PropertyBooleanMixin.java
+++ b/src/main/java/org/spongepowered/common/mixin/core/state/BooleanPropertyMixin.java
@@ -22,10 +22,10 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */
-package org.spongepowered.common.mixin.invalid.core.block.properties;
+package org.spongepowered.common.mixin.core.state;
 
 import com.google.common.collect.ImmutableSet;
-import net.minecraft.block.properties.PropertyBool;
+import net.minecraft.state.BooleanProperty;
 import org.spongepowered.asm.mixin.Final;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Overwrite;
@@ -33,8 +33,8 @@
 
 import javax.annotation.Nullable;
 
-@Mixin(value = PropertyBool.class)
-public abstract class PropertyBooleanMixin extends PropertyHelperMixin<Boolean> {
+@Mixin(value = BooleanProperty.class)
+public abstract class BooleanPropertyMixin extends PropertyMixin<Boolean> {
 
     @Shadow @Final private ImmutableSet<Boolean> allowedValues;
 
diff --git a/src/main/java/org/spongepowered/common/mixin/invalid/core/block/properties/PropertyEnumMixin.java b/src/main/java/org/spongepowered/common/mixin/core/state/EnumPropertyMixin.java
similarity index 90%
rename from src/main/java/org/spongepowered/common/mixin/invalid/core/block/properties/PropertyEnumMixin.java
rename to src/main/java/org/spongepowered/common/mixin/core/state/EnumPropertyMixin.java
index 512994f1754..8b887bcccf9 100644
--- a/src/main/java/org/spongepowered/common/mixin/invalid/core/block/properties/PropertyEnumMixin.java
+++ b/src/main/java/org/spongepowered/common/mixin/core/state/EnumPropertyMixin.java
@@ -22,10 +22,10 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */
-package org.spongepowered.common.mixin.invalid.core.block.properties;
+package org.spongepowered.common.mixin.core.state;
 
 import com.google.common.collect.ImmutableSet;
-import net.minecraft.block.properties.PropertyEnum;
+import net.minecraft.state.EnumProperty;
 import org.spongepowered.asm.mixin.Final;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Overwrite;
@@ -35,8 +35,8 @@
 
 import javax.annotation.Nullable;
 
-@Mixin(value = PropertyEnum.class)
-public abstract class PropertyEnumMixin<E extends Enum<E>> extends PropertyHelperMixin<E> {
+@Mixin(value = EnumProperty.class)
+public abstract class EnumPropertyMixin<E extends Enum<E>> extends PropertyMixin<E> {
 
     @Shadow @Final private ImmutableSet<E> allowedValues;
     @Shadow @Final private Map<String, E> nameToValue;
diff --git a/src/main/java/org/spongepowered/common/mixin/invalid/core/block/properties/PropertyIntegerMixin.java b/src/main/java/org/spongepowered/common/mixin/core/state/IntegerPropertyMixin.java
similarity index 89%
rename from src/main/java/org/spongepowered/common/mixin/invalid/core/block/properties/PropertyIntegerMixin.java
rename to src/main/java/org/spongepowered/common/mixin/core/state/IntegerPropertyMixin.java
index 4bccf97a4ad..d1ae4a38cc3 100644
--- a/src/main/java/org/spongepowered/common/mixin/invalid/core/block/properties/PropertyIntegerMixin.java
+++ b/src/main/java/org/spongepowered/common/mixin/core/state/IntegerPropertyMixin.java
@@ -22,10 +22,10 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */
-package org.spongepowered.common.mixin.invalid.core.block.properties;
+package org.spongepowered.common.mixin.core.state;
 
 import com.google.common.collect.ImmutableSet;
-import net.minecraft.block.properties.PropertyInteger;
+import net.minecraft.state.IntegerProperty;
 import org.spongepowered.asm.mixin.Final;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Overwrite;
@@ -33,8 +33,8 @@
 
 import javax.annotation.Nullable;
 
-@Mixin(value = PropertyInteger.class)
-public abstract class PropertyIntegerMixin extends PropertyHelperMixin<Integer> {
+@Mixin(value = IntegerProperty.class)
+public abstract class IntegerPropertyMixin extends PropertyMixin<Integer> {
 
     @Shadow @Final private ImmutableSet<Integer> allowedValues;
 
diff --git a/src/main/java/org/spongepowered/common/mixin/invalid/core/block/properties/PropertyHelperMixin.java b/src/main/java/org/spongepowered/common/mixin/core/state/PropertyMixin.java
similarity index 89%
rename from src/main/java/org/spongepowered/common/mixin/invalid/core/block/properties/PropertyHelperMixin.java
rename to src/main/java/org/spongepowered/common/mixin/core/state/PropertyMixin.java
index a45935c6d27..cd9d2c5ece0 100644
--- a/src/main/java/org/spongepowered/common/mixin/invalid/core/block/properties/PropertyHelperMixin.java
+++ b/src/main/java/org/spongepowered/common/mixin/core/state/PropertyMixin.java
@@ -22,10 +22,9 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */
-package org.spongepowered.common.mixin.invalid.core.block.properties;
+package org.spongepowered.common.mixin.core.state;
 
-import net.minecraft.block.properties.AbstractProperty;
-import net.minecraft.block.properties.IProperty;
+import net.minecraft.state.Property;
 import org.spongepowered.asm.mixin.Final;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Overwrite;
@@ -39,8 +38,8 @@
  *
  * @param <T> The type of comparable
  */
-@Mixin(value = AbstractProperty.class)
-public abstract class PropertyHelperMixin<T extends Comparable<T>> {
+@Mixin(value = Property.class)
+public abstract class PropertyMixin<T extends Comparable<T>> {
 
     @Shadow @Final private Class<T> valueClass;
     @Shadow @Final private String name;
diff --git a/src/main/java/org/spongepowered/common/mixin/invalid/api/mcp/tileentity/TileEntityStructure_ModeMixin_API.java b/src/main/java/org/spongepowered/common/mixin/invalid/api/mcp/tileentity/TileEntityStructure_ModeMixin_API.java
deleted file mode 100644
index 482e8581fbc..00000000000
--- a/src/main/java/org/spongepowered/common/mixin/invalid/api/mcp/tileentity/TileEntityStructure_ModeMixin_API.java
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * This file is part of Sponge, licensed under the MIT License (MIT).
- *
- * Copyright (c) SpongePowered <https://www.spongepowered.org>
- * Copyright (c) contributors
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-package org.spongepowered.common.mixin.invalid.api.mcp.tileentity;
-
-import org.spongepowered.api.data.type.StructureMode;
-import org.spongepowered.asm.mixin.Final;
-import org.spongepowered.asm.mixin.Implements;
-import org.spongepowered.asm.mixin.Interface;
-import org.spongepowered.asm.mixin.Intrinsic;
-import org.spongepowered.asm.mixin.Mixin;
-import org.spongepowered.asm.mixin.Shadow;
-
-import java.util.Locale;
-
-import javax.annotation.Nullable;
-import net.minecraft.tileentity.StructureBlockTileEntity;
-
-@Mixin(StructureBlockTileEntity.Mode.class)
-@Implements(@Interface(iface = StructureMode.class, prefix = "structure$"))
-public abstract class TileEntityStructure_ModeMixin_API implements StructureMode {
-
-    @Shadow @Final private String modeName;
-    @Nullable private String friendlyName;
-
-    @Override
-    public String getId() {
-        return this.modeName;
-    }
-
-    @Intrinsic
-    public String structure$getName() {
-        if (this.friendlyName == null) {
-            this.friendlyName = this.modeName.toUpperCase(Locale.ENGLISH);
-        }
-        return this.friendlyName;
-    }
-
-}
diff --git a/src/main/resources/mixins.common.api.json b/src/main/resources/mixins.common.api.json
index a99a976e68c..1c3466515d2 100644
--- a/src/main/resources/mixins.common.api.json
+++ b/src/main/resources/mixins.common.api.json
@@ -49,6 +49,7 @@
         "mcp.entity.ai.goal.RandomWalkingGoalMixin_API",
         "mcp.entity.ai.goal.LookAtGoalMixin_API",
         "mcp.entity.boss.dragon.EnderDragonEntityMixin_API",
+        "mcp.entity.boss.dragon.EnderDragonPartEntityMixin_API",
         "mcp.entity.boss.WitherEntityMixin_API",
         "mcp.entity.boss.dragon.phase.IPhaseMixin_API",
         "mcp.entity.boss.dragon.phase.PhaseTypeMixin_API",
@@ -177,6 +178,11 @@
         "mcp.server.management.BanEntryMixin_API",
         "mcp.server.management.UserListEntryMixin_API",
         "mcp.server.management.IPBanEntryMixin_API",
+        "mcp.state.BooleanPropertyMixin_API",
+        "mcp.state.EnumPropertyMixin_API",
+        "mcp.state.IntegerPropertyMixin_API",
+        "mcp.state.IPropertyMixin_API",
+        "mcp.state.PropertyMixin_API",
         "mcp.state.properties.DoorHingeSideMixin_API",
         "mcp.stats.StatMixin_API",
         "mcp.tileentity.BannerPatternMixin_API",
diff --git a/src/main/resources/mixins.common.core.json b/src/main/resources/mixins.common.core.json
index e54c33b375e..2227c71b35c 100644
--- a/src/main/resources/mixins.common.core.json
+++ b/src/main/resources/mixins.common.core.json
@@ -153,6 +153,10 @@
         "network.login.ServerLoginNetHandler_2Mixin",
         "network.login.ServerLoginNetHandlerMixin",
         "service.permission.SubjectMixin",
+        "state.BooleanPropertyMixin",
+        "state.EnumPropertyMixin",
+        "state.IntegerPropertyMixin",
+        "state.PropertyMixin",
         "stats.StatMixin",
         "stats.StatisticsManagerMixin",
         "stats.StatsMixin",