It would give a knowledge of the land in a manner that can't be replicated.

[ a beat and a curt nod. ] Utgard is the closest, and then there's Thrymheim slightly further afield — home to the Frost Giants, eternal enemies of the Æsir. [ of asgard, but to phrase it as such would imply that there is no hope of peace. ] But not, we hope, of those who'd seek not to fight them, to battle in the name of Asgard and its gods. Ragnarök is hardly a simple affair, after all.