Who are the most interesting characters in 'I was reincarnated as a sword light novel'?

The sword itself is very interesting as it has the mind of a human reincarnated. And the cat - girl is also a great character. She has her own backstory and personality that makes her really stand out.

Well, Fran is really interesting. She starts off as a weak character but with the help of the sword, she grows stronger. Her naivete and determination make her stand out. The sword itself is also fascinating. It has its own thoughts and emotions, which is quite unique for a weapon. And the Demon Lord is an interesting character too, with his great power and the threat he poses to the world.

Fran is one of the most interesting characters without a doubt. Her naivete combined with her fierce determination makes her stand out. The blacksmith in the story is also quite interesting. He helps the sword upgrade and his interactions with Fran and the sword are full of character.

The cat protagonist is surely one of the most interesting characters. Since it has the mind of a human, its reactions to the world as a cat are unique. Maybe there are also some other animals like a wise old owl or a friendly dog that make the story more interesting with their different personalities and behaviors.

Shion is an interesting character. She's a strong ogre who is extremely loyal to Rimuru. Her clumsy yet endearing nature, especially when it comes to cooking, adds a touch of humor to the story. Then there's Benimaru. He's a very capable leader among the ogres. His respect and admiration for Rimuru, and his own skills in combat and strategy, make him a great addition to the cast.

The dog protagonist itself is surely interesting. It has the mind of a human trapped in a dog's body, which creates a lot of comical and also thought - provoking situations.

Well, there are several interesting characters. Rimuru, as the protagonist, is at the center of it all. His journey of self - discovery and his impact on the world around him are really captivating. Then there's Milim, a powerful and somewhat childish demon lord. Her interactions with Rimuru and her own quirks make her a very interesting character. Also, Geld, who has his own story of redemption and growth under Rimuru's influence, is quite an interesting character as well.

The sword, which is the reincarnated entity, is a major character. It has its own personality and goals. The girl who teams up with the sword is also very important. She has her own backstory and abilities, and together they face the challenges in the story. There may also be some other side characters who play important roles in their adventures, like the various monsters or other adventurers they encounter.

The protagonist is usually quite interesting as they adapt to the new RPG world. They bring their own modern - world knowledge into this strange new place. Also, the mentor - like characters can be really engaging. They guide the protagonist and often have deep backstories related to the history of the RPG world.

Rimuru is definitely one of the most interesting characters. His transformation from a normal person to a slime and then to a powerful leader is fascinating. Veldora is also interesting. He is a powerful dragon trapped in Rimuru's stomach for a while and his interactions with Rimuru are quite humorous.