* ''Arc II'' has Kukuru inverting DemonicPossession, taking control of the BigBad to allow Arc the time to seal the Dark One away. And this was after she was already ''dead''.
* The amount of effort it takes to finally defeat the Dark One. The Dark One is not merely challenged by a band of plucky heroes: it takes, during the course of four games, no less than ''five'' Badass Crews including one which fought against it three millennia before the first episode, the HeroicSacrifice of two messiahs, overpowered mechs, some of the world's most powerful monsters he created who turned against him, the elemental spirits completely exhausting their power, and over 4,000 years of struggle to finally ''and barely'' beat him, while civilization is completely wiped out once and nearly destroyed twice.
* Arc II's [[http://www.youtube.com/watch?v=8_kQtYux_9s credits music]].