The Martial Saint Who Traveled Through the Heavens

I want to challenge you! I challenge you all! I'll hit ten! This is a story about a challenge madman's never-ending challenges. What's even more frightening is that the more challenges he takes, the stronger he gets! [Challenge successful, challenge reward: Strength +1] [Challenge successful, challenge reward: Strength +1] Many years later, all the worlds will fall into the fear of being targeted by challenging madmen.