Even with being called back from Midgard, Brunhilde preferred the less time in the hall and amongst the court, the better. Which meant she often did the rounds or took shifts at the watchtowers, which ingratiated herself with the guards. It was a during a sweep that the shielding of the city flickered to show action, a small warping occurring as something or someone appeared against it. She called it to the other rider and sent her back, heading for the area herself.
She approached with sword out and shouted to catch the intruder's attention. "Halt! You approach the realm of Asgard and the Golden City!" she announced and held Aragorn steady in the air. "State your name and business, and prepare to remove any weapons from yourself, magical or physical."