diff --git a/src/test/java/uulm/teamname/marvelous/gamelibrary/json/ingame/serialize/EntitySerializerTest.java b/src/test/java/uulm/teamname/marvelous/gamelibrary/json/ingame/serialize/EntitySerializerTest.java
index 2957ef3..ab6e46f 100644
--- a/src/test/java/uulm/teamname/marvelous/gamelibrary/json/ingame/serialize/EntitySerializerTest.java
+++ b/src/test/java/uulm/teamname/marvelous/gamelibrary/json/ingame/serialize/EntitySerializerTest.java
@@ -4,12 +4,12 @@ import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import org.junit.jupiter.api.Test;
 import uulm.teamname.marvelous.gamelibrary.IntVector2;
+import uulm.teamname.marvelous.gamelibrary.entities.*;
 import uulm.teamname.marvelous.gamelibrary.entities.Character;
-import uulm.teamname.marvelous.gamelibrary.entities.EntityID;
-import uulm.teamname.marvelous.gamelibrary.entities.EntityType;
-import uulm.teamname.marvelous.gamelibrary.entities.StoneType;
 import uulm.teamname.marvelous.gamelibrary.json.ingame.deserialize.EntityDeserializer;
 
+import java.util.ArrayList;
+
 import static org.mockito.Mockito.*;
 import static org.junit.jupiter.api.Assertions.*;
 import static org.assertj.core.api.Assertions.*;
@@ -53,4 +53,39 @@ class EntitySerializerTest {
                 .isEqualTo(jsonRepresentingCharacter);
     }
 
+    @Test
+    void serializeNPC() throws JsonProcessingException {
+        var mapper = new ObjectMapper();
+         //(EntityID id, IntVector2 position, int maxMP, ArrayList<StoneType> inventory
+        ArrayList<StoneType> al = new ArrayList<>();
+        al.add(StoneType.MindStone);
+
+        var npc = new NPC(
+                new EntityID(EntityType.NPC, 3),
+                new IntVector2(12, 24),
+                200,
+                al);
+/*
+        var npc2 = new NPC(
+                new EntityID(EntityType.P2, 3),
+                new IntVector2(12, 24),
+                200,
+                new Inventory());
+*/
+
+        var jsonRepresentingNPC = """
+                {
+                "entityType":"NPC",
+                "name":"CoolHeroThing",
+                "PID":2,
+                "ID":3,
+                "MP":200,
+                "stones":[1],
+                "position":[12,24]
+                }""".replace("\n", "");
+
+        assertThat(mapper.writeValueAsString(npc))
+                .isEqualTo(jsonRepresentingNPC);
+    }
+
 }