9. In peace. That is, unharmed, having achieved success and victory.
This tower. Probably a tower used as a fortification and a place of refuge in times of danger. Within its walls, likely constructed of stone, the leaders of Penuel felt secure from the Midianites and Gideon alike, so they contemptuously refused to give aid to the Israelite band. Because of their refusal to aid his men, Gideon threatened to return and tear down the tower from which they now so confidently and so churlishly rejected his appeal.