plugin/src/main/java/lol/pyr/znpcsplus/entity/EntityPropertyRegistryImpl.java

@@ -667,6 +667,16 @@ public class EntityPropertyRegistryImpl implements EntityPropertyRegistry {
 
         // Bogged
         register(new BooleanProperty("bogged_sheared", 16, false, legacyBooleans));
+
+        if (!ver.isNewerThanOrEquals(ServerVersion.V_1_21_2)) return;
+
+        // Creaking
+        register(new BooleanProperty("creaking_active", 17, false, legacyBooleans));
+
+        if (!ver.isNewerThanOrEquals(ServerVersion.V_1_21_4)) return;
+
+        // Creaking
+        register(new BooleanProperty("creaking_crumbling", 18, false, legacyBooleans));
     }
 
     private void registerSerializer(PropertySerializer<?> serializer) {

plugin/src/main/java/lol/pyr/znpcsplus/npc/NpcTypeImpl.java

@@ -176,6 +176,11 @@ public class NpcTypeImpl implements NpcType {
                     addProperties("wolf_variant");
                 }
             }
+            if (version.isNewerThanOrEquals(ServerVersion.V_1_21_4)) {
+                if (EntityTypes.isTypeInstanceOf(type, EntityTypes.CREAKING)) {
+                    addProperties("creaking_crumbling");
+                }
+            }
             return new NpcTypeImpl(name, type, hologramOffset, new HashSet<>(allowedProperties), defaultProperties);
         }
     }

plugin/src/main/java/lol/pyr/znpcsplus/npc/NpcTypeRegistryImpl.java

@@ -386,6 +386,12 @@ public class NpcTypeRegistryImpl implements NpcTypeRegistry {
 
         register(builder(p, "breeze", EntityTypes.BREEZE)
                 .setHologramOffset(-0.205));
+
+        if (!version.isNewerThanOrEquals(ServerVersion.V_1_21_2)) return;
+
+        register(builder(p, "creaking", EntityTypes.CREAKING)
+                .setHologramOffset(0.725)
+                .addProperties("creaking_active"));
     }
 
     public Collection<NpcType> getAll() {