Magical portals weren't so unheard of to Hermione, or any other witch or wizard, but the kind of magical portal Fred was talking about, it simply didn't make sense at all. “Magical portals- we can't control?” She'd never quite read of such a thing, at least not something that distributed someone at random, that according to Fred was somewhat sentient? “You mean ..the others were here? George too?” Did he mean he was no longer here? Or did it harm him? Was this all a part of something more at home?
More the direct concern was did she believe him? She near flinched to the touch, but didn't draw away. There was still an uncertainty about her, ingrained as no doubt it was with most who fought against Voldemort. She didn't know how to answer, so she nodded a little. Her instinct told her to trust him as she briefly met his gaze and she reminded herself it was her only option for now and at least, alone she wasn't putting Harry in any danger doing so. Added to the fact for the most part, Voldemort's followers weren't even bothering to hide these days.
Letting out a sigh she went on.“Gringotts-” She said softly, wondering if he'd know what she meant at all, her last remaining bit of caution had her speaking vaguely. “Not long after we left shell cottage."