Questions:
The cunning Demon race deceived the dragons, who yearned for wisdom.(Who yearns for wisdom? The Demon race or the dragons?
The cunning little devils, who were mischievous (Yes? What did the cunning little devils, who were mischievious, do?)
. The loli-only race of succubi stole the dragon's throne, but a dragon is, after all, a dragon, and here we spread ink on the bloody journey of a half-dragon half-human being whose mind and(?)
soul is tormented with revenge.
Original:
In a small village at the edge of the Mulan empire, it was there he was born, an abomination hated by his own brethren just because he had blood red eyes, the eyes which only the descendants of the Black Dragons who sided with the Demons during the last war have.
Propose:
In a small village, at the edge of the Mulan empire, it was here he was born: an abomination hated by his own brethren for his blood-red eyes, eyes that only descendants of the Black Dragons—who sided with with the Demons during the last war—had.
Fathered by some unknown, his mother left the village many years ago and only returned on that dark night, in labour and more than half dead.
Edits: Hyphenating the adjectives.
After being born from the ugly, half-dead beggar-looking woman, the village's wet nurse took one look at the infant's eyes and slowly began to strangle his frail neck with her callous-ridden hands. The child's blood-red eyes shot open, in response to the cold touch, and peered into wet nurse's own cold eyes, piercing her mind, causing her to let go of the baby's throat and clutch her own head.
The village chief who happens to be in the room as well notices the power held within the eyes, Period break needed here, I’d think
being Being a transmigrator from Earth, the village chief remembered the nostalgic Sharingan thus deciding to spare this child's life by using his unique cheat [Deceive all Creation] which can put a temporary guise on any living being.