1000 years ago...
When King Sombra was sealed in his icy prison by the rulers of Equestria, a chip of his horn was cut off leaving his dark magic behind. The magic manifested, and roamed the land until it found a suitable host, That host was Azure Shine, but instead of taking over, Azure Shine gets pregnant.
Now Azure Shine has a foal out of no where, that possibly could be a copy of King Sombra, but that foals name is Grey Star.
Good start, but you kinda misspelled 'shiny'
a nice start. and, despite you saying you're not so good at english, this was very easy to follow.
moving on to the next chapter
Yeah, azure, that was a bit dumb. I thought you'd let rather quickly and that's why/