It certainly took them long enough-- [Which is a testament to the safeguards Viktor did attempt, not that it makes him feel any better.] --but yes.

[As for the rest of it, he shakes his head. They don't need anything else. The Hexcore, once understood, can be made to do any number of things. In this case, it was used to break through Thorne's wards, and then provide a burst of explosive energy, to lethal results.]

Only the notes on the device. But if they can break through Thorne's wards with it...who knows what else they'll do?