The conditions are not suitable for life, but Rowan managed to get there and lives in the castle for a whole year. Maybe we are talking about the fact that the road itself was dangerous? But if one person can handle it, then why can't a squad of soldiers handle it? I didn’t say that the soldiers should be left there, but sent to check. Look... what risks do we have? We can send soldiers and risk losing the squad, or we can not send soldiers and lose everything, the whole world... This is in a world where every day, apparently, hundreds of soldiers die in battle with orcs, monsters, from diseases...