public class MobRegistration { public static final DeferredRegister> ENTITIES = DeferredRegister.create(ForgeRegistries.ENTITIES, CrystalMain.Mod_ID); public static final RegistryObject> WEIRD_MOB = ENTITIES.register("weirdmobentity", () -> EntityType.Builder .of(WeirdMobEntity::new, EntityClassification .CREATURE) .sized(0.9f, 0.9f ) .build("weirdmobentity")); }