His reaction is not at all expected. Sirius moves quickly, grasping Lefty by the scruff and hauling them across the border, past the scent marker, through it; they smell, for a moment, of Armada. As this happens, March, the wolverine, makes a furious screaming sound and charges forward to defend her companion -- but Lefty pivots, and whistles low behind her teeth.
"Tch! March! No. He isn't harming me. This is a challenge. A test." The wolverine made a confused noise, but calmed down immediately, squinting up at Sirius but not moving closer. Lefty did not sound disappointed. Instead, she seemed pleased-- and it echoed into her words. "Right in the thick of it! Thank you, Warlord. I will not let you down. I will meet the challenge as I meet the storm."
This, she knows, will be a promising trial. She is eager--
-- but first, she supposes, it is time to find this... Basilisk.
"Speech"