Torchwood: Divergence Book One: Dychwelyd

Sometimes one Universe going rogue can destroy them all. But there have always been those who keep the balance, give guidance and correct mistakes to prevent catastrophe. To do this, they create Guardians where needed, beings brought back from Death to preserve the Multi-Verse. Dychwelyd, Ianto Jones. Post-Children of Earth AU. Author's Note & Disclaimer is at the end of Chapter 1.