Thirty Million Shirou Clones

"I can't believe I've been reborn ten years in the past, during the Fourth Holy Grail War."

The moment Shirou realized this, countless thoughts flooded his mind.

Just as he was about to put his plans into action, Shirou suddenly found himself in a space filled with white mist, where he met two other versions of himself.

"So I wasn't reborn in just one world... Since I've gotten this strong, I guess it's fine to let loose a little, right?"