It wasn't that Mjolnir held back. No, this David was older, stronger, more in control of his powers. Something like Mjolnir didn't put him on his ass because he'd come to learn how to handle his powers.

But he's interested in her description. And worried. This was what he had feared when he met Kaneki as he was now.

"You're not the first to tell me this. And it raises a lot of warning flags. All the years we've been here, nothing like this has happened. It's change. Change is not good, Dr. Foster."