Gas is fired out of a cylindrical machine attached on a wall or floor. It appears to be poisonous or toxic, as it injures Dirk Valentine and is green.
Gas is found being fired out of cylindrical machine attached to a wall or floor. Gas that is fired out of the machine's nozzle reaches different instances, enabling the Dirk to jump over the gas without getting injured at some point of time. Neither gas nor the machine that sprays gas can be destroyed.