Uh, the whole thread (kill someone in the past to prevent some big evil issue) reminds me so much the plot of a movie.
- Spoiler: show
- Looper by Ryan Johnson, 2012, with Bruce Willis
Enjoyable movie. I'd suggest it to see.
And also


*edit* Nice, forum did cut the right side, so it added a sort of anti-spoiler
I made image clickable to see how it ends anyway.