Stood on a hill was a red haired man in red and black attire, that looked like knight attire in his hand was a sword, that's features Merlin couldn't discern.
I plan to avoid the Boruto. Boruto is canon as filler from the infinite tsukuyomi of Sakura or Hinata. At least that's the excuse I use to believe that Boruto doesn't exist.
Well survive before running away yes. Defeat no. I'm not sure if the edit I placed took effect. I'll check. But yes Sasuke has numerous ways of surviving. Especially Hobo Sasuke
It's not my usual writing as I know my writing. I think I was perhaps desperately trying to force out something that it became bad. I'll do better on my next one.
Outside interference. His world became a singularity through outside interference. So he didn't go anywhere. It's just his world became the singularity.
No as in the True Longinus as it was when it pierced christ. The Longinus of Percival's Np is something that has been passed down through time. Similar to Gilgamesh's weapons being spread and getting weaker with each cycle.