He'd lost his window of time. Nora Allen was dead, but that was little comfort. That simply ensured that the young boy who'd been saved from him would still grow up to be the Flash. He needed to do something else to make sure that he won in the end.
He sped away as the red blur headed back towards the house. Best not to be here when his enemy returned. They would meet again. And again and again throughout time.
There was an anguished cry as Henry Allen came downstairs and discovered the body of his wife.
"Nora! Barry?" he looked around for any signs of his son, in shock at the scene laid before him.