El doesn't insist that it is her job. She doesn't explain that she may not have made Henry the way he'd been born, but if she hadn't banished him to the Upside Down, even accidentally, he wouldn't have become Vecna. Eleven doesn't entirely understand how all of it works, but she knows that much. She's responsible for Vecna, if not for Henry — and she feels responsible for Henry, too. He'd manipulated her into removing Soteria, and that had allowed him to…

She swallows and nods when Chrissy thanks her.

“You're welcome,” she murmurs. “You are my friend. Friends look out for each other.” She smiles small, as encouraging as she can manage.