Earth-1
"He fought to his last breath. Knowing every moment was another life saved."
"Saved?"
"Your universe is no more. Of 7.53 billion... three billion souls made it to Earth-1 on the armada of ships. I calculate one billion souls survived due to his noble sacrifice.
"Nash?"
"Once upon a time. Not anymore. Now, I'm simply a man serving his penance."
"Penance for what?"
"I freed the Anti-Monitor from his confinement only... to become a... Pariah. Sentenced to bear witness to his actions."
"Oliver!"
"It's okay, Sara. This is my destiny."
"Oliver."
"Barry? You, my friend... are the very best of us. I gave it all up... for you and Kara."
"What... What do you mean?"
"I need the two of you to... be the one to... to save us now."
"Mia..."
"Dad."
"Don't forget to find your mother."
"Okay."
"Find William. Tell him how much I love him. I love you, Mia. You keep me in your heart, okay?"
"Dad?"
"It was not supposed to be like this. This is not his ending I foresaw. Things are turning out differently than I expected."
"But one thing is certain. Everything we know... everything there is... and everything there ever was... is doomed."