The Darkness Returns and a New Hero Emerges

This is a reboot of my old story that I didn't add to much so it's just an original story, I accidently deleted my old one but was able to remember a few things I was taught in the comments so thank you for that, though it still might be bad

Plot- After ten years of peace, young boy who aspires to be a dragon knight and goes through his journey to become a dragon knight like his older brother, see him make friends and enemys and go through the challenge that is school