* Lute's backstory- [[HopeSpot He manages to defeat the top commanders such as Drum with ease and is warding off the Mazoku army by himself- with it seeming that he will also defeat Bass as well]]. But then Bass sacrifices his body [[GrandTheftMe in order to use Lute as a vessel for his power]]- cruelly murdering him in the process in front of his mother and the kingdom before he's reduced to a corpse to be puppeteered by Bass. [[AndIMustScream And he spends more than a decade as an emotionless doll for Bass to use with some implication that he's partially aware of the heinous actions he's supposed to do]]. [[TooGoodForThisSinfulEarth A truly compassionate and heroic man who didn't deserve the horrific death he was dealt with]].
* Hamel's childhood before the disaster of Anthem. After Pandora has to seal the father of her children because he's not only the leader of the Mazoku with a manipulative, repugnant personality to match, but to prevent him from eating his own children; she has to raise Hamel all by herself after the Mazoku steal Sizer to use as a weapon. All while her sanity is corroding from the utter betrayal Chestra did to her and from humanity all condemning her for her manipulated and misguided mistake of releasing the worst threat to the world born out of love used by a monster that exploited it. Despite being pelted with stones by children and adults alike for his half-breed origins, he's a much happier child that is more concerned about his mother's well-being and even finds a friend in Raiel, with Raiel's being very accommodating to both Hamel and Pandora. Then Bass shows up and Pandora fights to defend the people despite her paranoia towards them. These people reward her with ungratefulness by physically harassing her and then Bass takes the opportunity to seal her away while Hamel watches. [[spoiler: This all culminates in him snapping from the unfairness of it all and awakening his demonic heritage to kill almost everyone aside Raiel. The casualties include Raiel's parents.]] Hamel after all of this, understandably [[TookALevelInCynicism becomes jaded and isolated from others not to have to suffer through that]] [[spoiler: and to avoid them suffering another potential onslaught brought on by his demonic nature]].
* Sizer's backstory, she was raised from infancy to a [[TykeBomb mass-killing warmonger]] by the very army that drove her mother slowly insane and later had her imprisoned- gaslighting her to think her mother preferred Hamel over her to build up her hatred towards her sibling when it wasn't the truth at all due to Pandora loving both equally. Being emotionally and physically abused by this army except for one friend that then later on brutally killed. While she puts on a mask that she's a bloodthirsty and merciless killer, deep down, she's extremely conflicted- feeling both insecure and self-loathing of her nature.
* Pandora’s backstory, she was once a romantic woman who fell in love with a beautiful stranger. This stranger after having a loving enough relationship with her to have children and get married, states his deception and reveals he needs a certain box opened. She does so in order to appease her hto box reveals not only does it contain the Mazoku Army, but her “loving” husband is actually the Demon Lord Chestra himself, who orchestrated it both to free himself and to [[ForTheEvulz screw over the daughter of the Angel who sealed him for his own sick amusement]]. He [[KinSlayingIsASpecialKindOfEvil tops it off by planning to eat both of their children to empower himself]]. It’s little wonder why she became such a paranoid, nervous wreck.
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