A breathing regulator functioned as a substitute for organic lungs. Following the extensive damage to Darth Vader's lungs due to burns and scarring from the Ko-shol gas on Mustafar, a regulator was implemented to serve this purpose.
A breathing regulator functioned as a substitute for organic lungs. Following the extensive damage to Darth Vader's lungs due to burns and scarring from the Ko-shol gas on Mustafar, a regulator was implemented to serve this purpose.