Fungus : Eternal Life Fungus : Eternal Life is the twelfth episode of " " . Story Detail . Meeting of the Lords . Sitting in his throne room , Earl Tyrant examines a crystal Oscar has presented to him . Oscar claims that it is the crystallized form of Omega ; as Omega is mostly a creature of emotion , when it is calm it reverts to a crystalline form . Herba enters moments later , holding another crystal in her hand , to which the Tyrant express great joy . Pist also arrives and presents a third crystal to their master . The whole room is stunned when Makenshi enters holding a crystal the size of a man , and the Earl can not help but express his joy . As a reward , the Tyrant appoints him the fifth Lord of Guadium . Oscar , noticing Fungus hiding near the door , asks him how his search is going . He reports that he is yet to find anything , despite his efforts . Due to his failed attempts to defeat Kaze and how his failing to locate Omega , the Tyrant expresses his dissatisfaction with Fungus , and warns him that continued failure will cause him to become angry , which scares Fungus greatly . Rest and Restoration . Far away , safe on the train ; Ai , Chobi and Yu sleep peacefully as Lisa watches over them . One after the other , the three awaken from their slumber , with Yu expressing concerns over Lisa ' s sleeping patterns , or the lack of sleep . Angry with his embarrassment before the other Lords of Guadium , Fungus vows to redouble his efforts and locate a piece of Omega for the Earl . As he marches to fulfill his vow , Oscar lowers himself from the ceiling before Fungus , informing him that Crux has located a place that promises him great power . The episode cuts to a desert like world , filled his tall rock monoliths . As one collapses , Kaze is seen walking away from it . He ponders for a moment on who is his true enemy ; Omega or Makenshi ? He concludes that it is indeed Makenshi that he hunts . Oscar leads Fungus to one of the worlds in an airship ; one filled his fungi of all shapes and sizes . Oscar claims that the world before them is what remains of Fungus ' s homeworld . Fungus is overjoyed to see his home again , revealing that he is the only survivor of his people . Inspired , he commands Oscar to inform the Earl that he will rebuild his army , and use it to capture Omega . The Battle Begins . Ai , Yu , Lisa and Chobi disembark from the train and soon emerge into the same world Oscar and Fungus were just overlooking . Ai immediately complains about the smell , and the height of the exit to the ground . They ponder for a moment about how they can descend , until Chobi activates his wings and takes flight with the three on his back . The children and Chobi note that something smells nice , however Lisa warns them that the smell is coming from the mushrooms and seems concerned about something . After a moment , she spots Fungus standing atop a particularly tall mushroom . Fungus seems angered that others found their way into his world , and is further agitated when Kaze appears . Lisa still seems distracted , noting that the world feels different from the others . Kaze opens fire on the Lord of Guadium , but to no avail . The others take cover as Fungus inhales the sores surrounding him , causing him to grow to a colossal size . He punches Kaze with his new size and strength , sending him flying . A moment later a familiar cry in heard from the dust ; " Soil , is my Power ! " Kaze arms and loads the Magun while Fungus taunts him . Kaze fires , summoning Ixion to destroy Fungus . The blast is so great that Chobi has to take flight once more to save the others from the destruction . However , as soon as the dust begins to settle , Fungus is revealed to be rebuilding himself from the spores around him . Fungus laughs off Kaze ' s attempt to kill him , and tears a toadstool out of the ground , transforming it into a club . Kaze , determined to emerge victorious , loads the Magun again , this time summoning Phoenix . The destruction is not just contained to Fungus ; the entire landscape is set ablaze , leaving the others to marvel at Kaze ' s power . However , the fires are quickly extinguished when a blizzard of spores gather and rebuild Fungus . Fungus delivers another blow to Kaze , sending him flying once again . The episode ends with Ai , Lisa and Yu amazed at Fungus ' s new found power . Soil . This episode marks the first time when a summon is reused from an earlier episode , and when more than one summon is used in a single episode . Details are as follows : The combination summons Ixion , a horse like creature which creates a destructive orb of lightning around itself . Also appearing is : This summons Phoenix ; a fiery bird that enters the target ' s body then explodes in a brilliant flash of fire .