A boy lying on his own blood nearing his death but what got him wasn't death but a book The boy....who was wronged by his 'so called family' got a second chance in life and.....he took it Soon the weak fragile boy........Become something even the God's fear.........The WATCHER Will he find power in his quest.....get revenge on the ones who wronged him....or will he find....love In The boundary of the universe an unspeakable threat looms around.....waiting for its time....To wreak havoc (This Is my first story so forgive my amateur mistakes I'll be making on this story..and I don't own highschool dxd or fate series only the plot and the OCs belong to me)