Everything has led up to this point. Every card has been laid on the table. No more secrets, no more betrayals! The Hell King rises, casting its shadow over Atami! Can the crew hold out?

The Super Robot Mazinger Z will make Koji transcend humanity and allow him to become a god or a devil! But even with his newfound power, can Koji withstand the might of Baron Ashura?

The final battle begins, but the plan is in shambles! Koji has been lured into a trap, and without the power of Mazinger Z, the fate of Kurogane House, the Mazinger Army, and all of Atami is in peril!

Led by the mysterious woman who helped Koji save the city, the members of the Kurogane House resort come to rescue Koji. They're much more than they seem, but they aren't the only ones putting up a false front!

In the calm before the storm, Dr. Hell makes a surprise appearance, and challenges Koji to settle everything with a 1-on-1 duel: Mazinger Z vs. Mechanical Beast Baron Ashura! But will Koji accept?

A young blonde-haired girl visits the Kurogane House, and claims she's the daughter of a dead man. Shiro, having fallen for Lorelai, is led to Germany, where her father lives. Koji goes after him... but what's this about a Kabuto family secret?

The fall of Mycenae. Baron Ashura's torment. Koji's trascending humanity with Mazinger Z. Look upon the past, then ahead to the future, as nothing short of all out war will happen from here on out!

Koji is frustrated by Baron Ashura's repeated assaults, and the apparent weakness of his allies. But for all his strength, Tsubasa won't let him go to Bardos Island. That is, until he can touch an old woman's shoulder...

The severed arm of Zeus--the God Scrander! With it, Mazinger Z is even more powerful than before. But Mazinger Z isn't the only one getting new toys. Will it be enough, however, when Dr. Hell gets serious?

Rust Hurricane! Breast Fire! Rocket Punch! Grandpa Juzo shows Koji how to control Mazinger Z, but the fight isn't over yet! As Baron Ashura retreats, Count Brocken arrives, and he wants to start things off with a bang!

More layers of mystery are peeled away as Tsubasa's health worsens. Why did she kill her husband? Why does Energer Z look just like Mazinger Z? But even on death's door, Tsubasa has a card up her sleeve!

It's the beginning of the end, with the forces of Dr. Hell throwing their might against the Mazinger Army! But how did things come to this?

A ghost from the past haunts Tsubasa, draining the life from her. Who is the mysterious young man, and what role did he play in the past? But the trouble is just beginning for the Kurogane House!

Baron Ashura might have thought to give the surrendered Koji and Mazinger Z over to Dr. Hell, but that plan is foiled as Count Brocken turns his flying fortress on the Ashura Army! Baron Ashura makes a final, desperate move. Can Mazinger escape?

Everything is bad, but Koji and the crew won't go down without a fight! Mazinger Z aids Zeus in a desperate fight against Hades, and the Kurogane Five carve a path to the Kedora. But will Baron Ashura betray the past, or the present?

Baron Ashura's all-out assault on Japan doesn't stop with just Mechanical Beasts. A group of deadly assassin androids assault the Kurogane House, but the Kurogane Five is there to stop them!