the betrayal

After twilight sparkle admits to cheating, khaibellamy dies from a skydiving accident, but to her surprise she awakes, but her body is completely fine?
She soon realized that the world she is in isn't the world was coming from at all!
Dragons room the sky, mermaid's role the sea's and even thought humans rule the kingdom she is in, it is far from the only one. Elves, orgs and many other mythical creatures exists here
How is khaibellamy going to survive this new world with her sickly body?