"It's a code name." Most people don't ask directly, but 76 doesn't mind explaining where the numbers come from. There's more to it than that, but he doesn't need to get into it.

Despite the fact that Daenerys had initially asked him to make a choice, it seems that she's already decided on who she most wants to potentially suffer. Unsurprisingly, it's the person who enacted a personal crime against her, who took something important from her. Multiple somethings. 76 is curious about what blood magic entails, exactly, but he knows better than to ask now.

Borrowed time. All right, he can accept this option, and so after a pause he nods.

"If you give me some space, I can try to force it open." Not with magic or anything that fantastical, but with brute strength alone. It's high time that he tried this for himself, even though he already has a feeling they won't get far. If there was any way to open these things, someone would have yelled about it on the network by now.