A lead on the Horcruxes. Harry was stunned, too, although he didn't let himself get too excited; he could hear the emphasis on might, and wondered vaguely what cost Ron had paid to get this information. At least he didn't seem to be injured.
"Yeah, let's get inside," he agreed, glancing around. He summoned his blanket from where he'd left it on the ground, shaking the leaves and a bit of snow from it and casting a charm to dry it out before entering the tent. He sat down, wrapping the blanket around his shoulders, and looked at Ron.