He considers them for a few long moments.
His brother's wife Mito is more accurate than him at sensing emotions -
But they don't feel hostile to his own sensing ability.
"We'll want to screen you for hostile intent," he says, evenly, "But we have healers." Besides, people with strange magical abilities from far away lands seems like someone to get on their side - and possibly keep in sight. Tobirama suspects he could defeat the man, through ambush if nothing else, but he's unsure about 'all of them,' nor the risks of such a fight inside the village. Still, between him, Hashirama, Madara, and Mito... "If you want to stay longer than a day, we'll expect a trade, in favors if nothing else."