Prologue - Introduction

A time remnant saved by the speedforce and given a goal to be champion of the speedforce. So the 'Time Remnant' of Barry Allen spent 10 years working as a champion for the speedforce only to be sent back to his earth for one last mission despite the mission being over and done with, he returns to the speedforce to be to sent to another earth to live out his life in reward or was he sent there for another reason?