[It's an hour or two before they're done - diverting traffic was not easy, and they had to manage for long enough for Leonardo to work his protections - but eventually Armin comes back, maybe looking a little tired, but otherwise no worse for wear.]
...Mikasa? [It hadn't occurred to Armin how scary that must have been for Mikasa, not understanding what's going on, getting much of the conversation without context - but still trusting him and staying away. He'd been entirely focused on containment, and keeping everyone safe - he hadn't had time to consider anybody's feelings. But now that he sees her sitting there on the steps, he feels bad for not thinking of her, and explaining things better.]
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...Mikasa? [It hadn't occurred to Armin how scary that must have been for Mikasa, not understanding what's going on, getting much of the conversation without context - but still trusting him and staying away. He'd been entirely focused on containment, and keeping everyone safe - he hadn't had time to consider anybody's feelings. But now that he sees her sitting there on the steps, he feels bad for not thinking of her, and explaining things better.]