Urameshi Yusuke’s rival who became his loyal friend and companion as time passed by, Kuwabara was thought of as a normal human being with strong Reiki (spiritual) sensitivity. He was able to master his powers, manifesting a Rei Ken or “spirit sword” and by the end of the series, becomes the strongest human alive.
I didn’t like Kuwabara that much when the series came out. He’s a main character, but he was mostly there for comic relief. It was nice that he thought about his future in the final chapters though. Great cosplay!