Broken Blade: The Land of Calamity (2010)

Fourth Break Blade Movie. As Zess and Erekt returns to Athens, Krisna mobilizes their army to face the Athenian Invaders. Cleo continues living with Sigyn where the latter warns her not to harm Rygart again. Meanwhile, Sigyn assembles a special Golem force led by Narvi with Rygart, her older brother Nile and Sniper Loggin under her command including Girge. Girge is General Baldr's son and a talented Golem pilot who has been given Cleo's Golem but he is a former criminal who killed his teammates without reason which Baldr warns Rygart to be careful with his son and kill him if he does anything suspicious. As General True and General Baldr's forces head out, Rygart trains with his teammates to better use the Delphine while Hodr asks the Orlando Empire for help. Before leaving, Sigyn makes Rygart vow to come back safely. General True is ambushed by the Athenians led by Io and Nike

Unfortunately the movie Broken Blade: The Land of Calamity is not yet available on HBO Max.