Consistency/data/entities/animals/boss_centipede/ending/midas_entities.xml

<Entity>	
	<MagicConvertMaterialComponent
      kill_when_finished="1"
      convert_entities="1"
      steps_per_frame="1"
      to_material="gold_b2"
      clean_stains="0"
      is_circle="1"
      radius="320" >
    </MagicConvertMaterialComponent>
</Entity>