A Big Threat To Herobrine [ALL BOOKS]

This book will be the whole adventure of every book in the series ALL in one book.
Rain discovers that he is connected to Herobrine's son Caleb when he was little, then, his twin sister, Rina, discovered that she is an Enderkin, Netherkin and more at the same while she can master all of the elements like The Avatar would do. Rain also finds out that he will be the next Ender Watcher. Will he find who his real parents really were?
Since the series is incomplete, I will update it.