Dark Panel 4

Dark Panel 4 is an environment block in the Mindustry system used as part of the game's map and terrain assets; environment blocks are typically non-interactive tiles that provide visual or structural variety rather than producing or consuming resources. No additional mechanical properties, inputs, outputs, or behaviors are specified for Dark Panel 4 in the provided data, so its role should be understood as a decorative or layout element within maps rather than a functional building, unit, or recipe.