Kallen was Otto's childhood friend and only love, and in her, Otto found that maybe with his scientific leanings, he could be of use to humanity, leading to him joining Schikshal as a scientist.
Otto's social rhetoric is mostly disguised, but his feelings for the childhood sweetheart, Kallen Kaslana, are genuine. Kallen is one of the few friends in Otto's lonely childhood. After learning about Otto's research, the kind Kallen didn't show any prejudice or fear; instead, she expressed understanding about him.
She eventually became Otto Apocalypse's obsession, thus causing him to genetically-engineer a clone named Theresa Apocalypse who has the DNA of Kallen and a Honkai beast named "Vishnu". She has romantic feelings for Yae Sakura after she found her unconscious in a river.
Kallen Kaslana was a descendant of the Kaslana lineage which were renowned for their excellent combat capabilities and Houkai adaptability. She was the most powerful among her fellow valkyrja in her era and was Otto Apocalypse's first love interest but she did not return to his feelings.
She seems to accept this, and still supports Zero, even though she prefers to see Lelouch and Zero as separate entities; however, she later starts seeing them as the same person. Over time Kallen grows to love Lelouch, offering to die for him.
Otto's best friend and most loved person in the world is Kallen Kaslana. Sadly, she died very young, never fully able to live her life her own way. So he set to bring her back to life, and he tried for 500 years, meanwhile he also protected the world from Honkai.
Touched by Lelouch's gift, Kallen pulls him into a passionate kiss, which he reciprocates. As they drive home, Kallen wonders if it's time to give Naoto and Shirley a little sister. Kallen then asks Lelouch if she will marry him, but he cheekily declines. A few months later, Kallen is pregnant once again.
Kallen was Otto's childhood friend and only love, and in her, Otto found that maybe with his scientific leanings, he could be of use to humanity, leading to him joining Schikshal as a scientist. Because of Kallen, Otto single-handedly cured the Honkai Plague that threatened to wipe out humanity.
Another important person for Durandal is overseer Otto Apocalypse. Otto was among the first people Bianka had met after losing her memories. He was her doctor from a very young age, so she grew attached to him.
Trivia. Sakura and Kallen are married according to a 4koma posted by the official JP Twitter.
Otto is an antagonist, not a villain. He's morally grey, not evil. A villain does harm with the purpose of doing harm. An antagonist doesn't need to be bad, on the contrary they can be very relatable, but they are such because they oppose the protagonist.
Kiana and Mei are canonically in love, and their relationship is central to the main story.
After that, Kallen vowed to protect her and the villagers. Sakura had never had anyone who defended her, so she fell in love with Kallen.
In the Second Key manga, they actually got married and had a kid. Their dead but Kallen from the Second Key acts the same way as the Kallen from Elan Palatinus. Though it is brief and it's a dream.
Otto was slightly disappointed that the Second Herrscher had died as she was vital to reviving Otto's childhood love, Kallen Kaslana, and decided to create a replica of Kiana with the Second Herrscher's DNA, core, and all the other sorts, all to revive the Second Herrscher to aide Otto.
Kallen is a woman with long white hair that is tied into a singular braid. She has messy bangs and determined blue eyes.
Kiana reflects on when the original Kiana showed her kindness and considered K-423 her younger sister, saying that she's willing always to be her family. There, Kiana and Durandal officially declared each other as sisters, and Kiana since then has always referred to Durandal as "big sister."
As a result of staying in the quantum plane longer than intended, Bronya lost the ability to feel a wide range of emotions, required advanced legs prosthesis in order to move and had a biochip inserted in her brain to maintain survival.
As a MANTIS, Kevin became one of the most powerful soldiers in history. His subzero body temperature meant he was able to unleash the full might of Shamash without dying. Due to this, he single-handedly defeated the 9th and 11th Herrschers. But humanity wasn't prepared for the 12th Herrscher.
Cecilia Schariac was the wife of Siegfried Kaslana and the biological mother of Kiana Kaslana.
Himeko is pretty young woman, She has a red flaming hair, her suit is a red jacket covering her shoulder and brown shorst, her battle suit is red and black armor with sword capable of cutting and cleaving through the Honkai.
One of three major main characters and recurring in the Honkai series. Bronya becomes the third Herrscher of Reason and the Herrscher of Truth. She is in a relationship with Seele.
Lelouch's actions make up for confessing his feelings for Kallen. Let start with R2 episode 19 after the black knights learn that Lelouch was Zero.
With this, Lelouch asks Kallen to "console" him, then proceeds to stand up and lean in to kiss a surprised Kallen. Although she nearly reciprocates it, she stops at the last second and slaps him across the face.
Lelouch has 3 love interests: Kallen, Shirley, and C.C.