Well, the themes are mainly about transformation. She goes from being a villainess to someone with a different path. There's also the theme of power dynamics. In the story, there are different levels of power among the characters, and she has to deal with that. Plus, there's the theme of choice. She constantly has to make choices that will determine her future, whether it's choosing a love interest or a way to deal with her enemies.
There are also several male leads, like Geordo Stuart, who is a prince. He has his own charm and his relationship with Katarina is an important part of the story as she tries to avoid becoming his enemy like the original villainess was supposed to.
The protagonist herself is very interesting. Her transformation from a villainess - to - be into someone trying to change her fate is captivating. Then there's the male lead. His relationship with the protagonist and his own character development, like his hidden depths and how he falls for the new - version of the protagonist, are quite engaging.
The development of her relationships is also a great plot point. She starts to form unexpected friendships and even romances that deviate from the original story. In the light novel, her interactions with the male leads are full of humor and charm as she tries to navigate the new world in a different way than the villainess was supposed to.
Nicol Bolas wasn't typically portrayed as being afraid of Yawgmoth in the novels. His personality is too bold and dominant for such fear. He might strategize against Yawgmoth but not out of fear.
If I can still remember my introduction in my next life, I'll be a transmigrator who transmigrated to a different world and recorded the history, characters, and stories of this world in my own words. I will use my writing style to describe the wonders and mysteries of this world. At the same time, I will meet all kinds of people. They will experience all kinds of life choices and choices. I will also write their own stories for them. In this foreign world, I will work hard to create a beautiful world so that everyone can feel happiness and happiness.