Yes, you should. It's really interesting. The story has a unique concept of the protagonist being reincarnated as a slime, which leads to all kinds of unexpected adventures. The characters are well - developed, and there are many different races and cultures in the world it creates. It also has a good balance between action, humor, and some light - hearted moments.
The story follows the journey of the protagonist who, as a slime, discovers new powers, makes allies, and faces numerous challenges in a magical realm. There's a lot of action, character growth, and world-building.
Depends on your preferences. If you like detailed and immersive fantasy worlds with unique concepts, then yes. But if you prefer faster-paced action, it might not be for you. The light novel offers in-depth exploration of characters and plot.
One common theme is power exploration. Since Rimuru has unique powers in the original series, many fanfictions explore different aspects of his powers or even give him new powers. Another theme is relationship building. Rimuru's relationships with his various friends and allies are often expanded upon in fanfiction.
The main character is Rimuru Tempest. He was a human in his previous life and got reincarnated as a slime. There is also Veldora, a powerful dragon who becomes Rimuru's friend and ally.