Harry nodded. He'd adjusted the wards at the Loft when Sirius passed, but short of making the place unplottable and putting it under another Fidelius, it was as safe as anyone could make it.
"Yes. And we both know those aren't the only two dangerous sorts running around." He leveled a look at her. "They don't even all have bodies anymore."
The memory of Grindelwald's spirit emanating out of Ron's body was still fresh for both of them.