Ep. 3: Klaus dan Lamplight menghadapi pengkhianatan Guido dan Erna yang tersembunyi saat menyusup.

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Klaus and Lamplight infiltrate the complex, but Lamplight is intercepted by Klaus' mentor, Guido, who reveals that he had betrayed Inferno and switched sides. In addition, he had arranged for their headquarters to be bugged, so the Empire already knows all of their plans. Regardless, Lamplight decides to fight back but are quickly neutralized by Guido. However, as Guido gloats over his victory, Lily reveals that they had already suspected there was a traitor within Inferno and acted accordingly, hiding the existence of an eight member named Erna who stabs Guido. Klaus then arrives, having recovered Abyss Doll and orders Lamplight to escape with it while he deals with Guido. Slowed down by his wound, Guido is no match for Klaus, and after being defeated he saves Klaus from a sniper, taking the hit himself and dying before he could reveal why he betrayed Inferno. Klaus and Lamplight return to the Din Republic, but instead of disbanding and returning to their respective academies, the team decides to stay together and continue to learn under Klaus' tutelage (Source: Wikipedia)