Well, spoilers for a sequel could involve the villainess facing unexpected rivals or having to deal with the consequences of her past actions in more complex ways. But it's best to discover these as you read.
The biggest spoiler of 'A Beast Tamed by Villainess' is the revelation of the protagonist's true identity. It completely alters the way you view the story. Also, there's a surprising turn of events in the final chapters that you wouldn't expect. However, it's best to discover these while reading the book.
One of the virtues could be her intelligence. In many villainess novels, the so - called villainess is often very smart. She is able to outwit those around her, even if her actions are sometimes misinterpreted as villainous. Another virtue might be her determination. Despite facing various difficulties and the negative perception of others, she continues to strive for her goals.
They are also presented in contrast to other characters. While the other characters may be weak - willed or overly dependent, the villainess with her virtues stands out. Her independence, for instance, becomes more obvious when compared to those who constantly seek help. Her loyalty, even if misplaced at first, makes her character more complex and interesting as it evolves throughout the story.
Well, there are some major plot turns in 'A Will Eternal' that you wouldn't expect. However, I suggest you discover them yourself while reading to fully enjoy the story.
There could be her family members like her parents. They might play important roles in the story, either supporting or opposing her at different times.
I'm not sure specifically as I haven't read this novel. But generally, spoilers could include details about the main characters' fates, any major plot twists like unexpected alliances or betrayals, and the final outcome of relationships in the story.
Spoilers can include major plot points like the fate of characters in the Eliza light novel. For example, if a character was supposed to die unexpectedly, that would be a big spoiler. It could also involve revelations about a character's true identity or their secret motives.