FightSystem_Main/src/de/steamwar/fightsystem/listener/InFightInventory.java

@@ -29,6 +29,7 @@ import org.bukkit.Material;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
 import org.bukkit.event.block.BlockBreakEvent;
+import org.bukkit.event.block.BlockDispenseEvent;
 import org.bukkit.event.block.BlockPlaceEvent;
 import org.bukkit.event.inventory.InventoryClickEvent;
 import org.bukkit.event.inventory.InventoryDragEvent;
@@ -123,4 +124,10 @@ public class InFightInventory implements Listener {
             e.setCancelled(true);
         }
     }
+
+    @EventHandler
+    public void onBlockDispense(BlockDispenseEvent e) {
+        if(e.getItem().getType() == Material.TNT)
+            e.setCancelled(true);
+    }
 }