Baron Ashura, Tsubasa, Kouji and the Kurogane four try to flee but was stopped by the mechanical beast Garadoubla. Baron Ashura was caught and held captive. Cross sacrifices his life by saving Tsubasa and Kouji from being smashed by Garadoubla. Yasu then sacrificed himself by blowing the atomic bomb planted in his stomach destroying Garadoubla. Kouji, Tsubasa and Sensei escaped using the Hover Pilder. Tristan and Isolde, serving as priests of the mechanical beasts agrees with Archduke Gorgon's plan to preserve the Mycenae empire if their plan of subversing Zeus fail. The two went into the hybenation stage inside a cocoon. Meanwhile, Archduke Gorgon tries to please Zeus by sacrificing Baron Ashura, telling Zeus that it is Tristan covering Isolde's half face. Zeus is convinced and agrees to remove his golden protective armor. Archduke Gorgon summons Hades and Hades severes Zeus arm. Kouji saves Baron Ashura from being sacrificed in fire. Hades tries to kill Zeus by his fire power.

Kouji and Tsubasa returned to Kurogane house. Tsubasa became sick after the battle with the last Kedora and appeared to be hallucinated and acting strange. This is done by Pygman's voodoo powers. She saw first the ghost of her brother Tetsuya who appears to have a grudge with Kenzo Kabuto. Back at Bardos island, Dr. Hell vows revenge to Nishikiori Tsubasa. Baron Ashura had escaped from Bardos island after realizing she was tricked and betrayed the Mycenae empire. Count Brocken with the help of Pygman devised a plan to trick Tsubasa and the rest into revealing the whereabouts of the Japanium ore, the source of Photon energy. Baron Ashura was spotted and fell of a cliff. Pygman disguises himself as Baron Ashura. Kouji immediately came into the rescue of Baron Ashura by catching them using the Hover Pilder. Baron Ashura was brought into Kurogane house to hide. Meanwhile, Tsubasa continued to have hallucinations about the past and Kenzo Kabuto.

Energer Z appeared with Kenzo Kabuto as pilot. Pygman who appears in an hologram implies that Energer Z is looking for Zeus arm, the source of photon energy. Tsubasa appears and gets rid of Pygman's hologram and eventually his idea of handing over Zeus arm to Energer Z. Kouji activates Mazinger Z and fights off Energer Z. The two exchanges blows and fire power. Mazinger Z in the end was losing the battle and Baron Ashura convinces Tsubasa to reveal the whereabouts of Zeus arm in order to help Kouji. Memory came back to the sick Tsubasa when they have discovered Zeus arm as the source of photon energy. The same photon energy Juzo and Kenzo used to built Energer Z with Tetsuya Tsurugi as pilot. Dr. Hell revealed his true plans of world domination. Tetsuya used Energer Z to hide Zeus arm from Dr. Hell. Juzo hostages Dr. Hell but was attacked by Baron Ashura that blinded his one eye. Tsubasa appeared to help Juzo but Kenzo Kabuto appeared hostaging Juzo, his father.