As Sukuna in Invincible - Chapter 26: Through the Eyes of Madness

Join Victoria Ferrous, reincarnated girl on her adventure through the Pokemon World. Through important adventures such as, dealing with her teacher’s Tauros, and dealing with duty bound Growlithe in the morning that refuse to let her sleep in! Join her on her Pokemon Journey as her eyes are opened to how real this world is. A slice of life adventure in a Pokemon world. Anime based, but things aren’t quite the same. Not a dark fic, but an exploration into trying to make the world feel more real.

A striking man of mysterious origin and peerless talent, he looks back at the world, in all its entirety, with utter disdain. And yet, in the treacherous and unpredictable ultimate formation of the Boundless Secular World, he guards a breathtaking ancient qin with broken strings, waiting silently for the destined one to arrive!

While the demons were rising, mankind was about to become extinct. Six temples rose and protected the last territory of mankind.

A young boy joins the temple as a knight to save his mother. During his journey full of miracles and tricks in the world where temples and demons are antagonistic to each other, will he be able to ascend to the strongest knight and inherit the sealed divine throne?

- Description from novelupdates

Yuan was born with an incurable illness that left him blind at a young age and crippled a few years later, rendering everything below his head useless. Deemed hopeless and irredeemable, his parents quickly gave up on him, and the world ignored him.