diff --git a/muscript/src/main/java/io/gitlab/jfronny/muscript/data/dynamic/Dynamic.java b/muscript/src/main/java/io/gitlab/jfronny/muscript/data/dynamic/Dynamic.java
index 085a443..9cfca9a 100644
--- a/muscript/src/main/java/io/gitlab/jfronny/muscript/data/dynamic/Dynamic.java
+++ b/muscript/src/main/java/io/gitlab/jfronny/muscript/data/dynamic/Dynamic.java
@@ -17,7 +17,7 @@ import java.io.IOException;
  * Override toString(StringBuilder) to support custom serialization (note: the serialized form is ran with muScript to generate the tree)
  * @param <T> the type represented
  */
-public sealed interface Dynamic<T> permits DBool, DNumber, DString, DObject, DList, DCallable, DNull, DContainer {
+public sealed interface Dynamic<T> permits DBool, DCallable, DList, DNull, DNumber, DObject, DString, DynamicBase {
     /**
      * Deserialize simply dynamic values. DOES NOT SUPPORT CALLABLES!
      * Use Parser.parse() if you truly need to deserialize them, but be aware that that might enable DOS attacks
diff --git a/muscript/src/main/java/io/gitlab/jfronny/muscript/data/dynamic/DynamicBase.java b/muscript/src/main/java/io/gitlab/jfronny/muscript/data/dynamic/DynamicBase.java
new file mode 100644
index 0000000..c1e9e7e
--- /dev/null
+++ b/muscript/src/main/java/io/gitlab/jfronny/muscript/data/dynamic/DynamicBase.java
@@ -0,0 +1,9 @@
+package io.gitlab.jfronny.muscript.data.dynamic;
+
+/**
+ * Use this for ABSTRACT (!) implementations of custom dynamic containers.
+ * Any concrete implementation MUST still implement a valid Dynamic subtype (DBool, DString, ...)
+ * @param <T> the type represented
+ */
+public non-sealed interface DynamicBase<T> extends Dynamic<T> {
+}
diff --git a/muscript/src/main/java/io/gitlab/jfronny/muscript/data/dynamic/additional/DContainer.java b/muscript/src/main/java/io/gitlab/jfronny/muscript/data/dynamic/additional/DContainer.java
index 9bfd552..c08002d 100644
--- a/muscript/src/main/java/io/gitlab/jfronny/muscript/data/dynamic/additional/DContainer.java
+++ b/muscript/src/main/java/io/gitlab/jfronny/muscript/data/dynamic/additional/DContainer.java
@@ -1,8 +1,9 @@
 package io.gitlab.jfronny.muscript.data.dynamic.additional;
 
 import io.gitlab.jfronny.muscript.data.dynamic.Dynamic;
+import io.gitlab.jfronny.muscript.data.dynamic.DynamicBase;
 
-public abstract non-sealed class DContainer<T> implements Dynamic<T> {
+public abstract class DContainer<T> implements DynamicBase<T> {
     private T value;
 
     @Override