"Research." Her tone was sharp, cutting across the sarcasm that he'd given her - them being out there, what was around them and what she was doing was serious, and she didn't appreciate anything less than that on it.

"If this weren't necessary I wouldn't be doing this." Part of it wasn't, there was already information about the Darkness but where it had come from? Helen wanted to check, to double check, herself, to see if it was true and if there was anything more - or something that they'd hidden.