Stream anime episodes online for free, Watch Line Barrels of Iron Episode 20 English version online and free episodes. Anime Episode guide, Chapter Line Barrels of Iron Episode 20 English dubbed Man of Destiny Since the last battle, Miu’s slump hasn’t gone away and with PAINKILLER unable to advance, has further prolonged her state. Miu’ reckless drive to train, has left her body and spirit broken. Miu finally cheers up when Kouichi comes to visit… Meanwhile, KATO-KIKAN has set up Spheres throughout the world on a large-scale trajectory to open up a multidimensional invasion. It’s up to Shizuna and Izuna to convince the UN to take action…but will they listen?