Whilst the evening patrol had been running smoothly so far, further along the borders Frith would likely come across a scent that might worry him a little more than those raccoons had done. Aslan on the other hand, doing his own little lap of patrol was highly intrigued by the scent, wandering along the borders without hesitation in search of the creature. He didn't think that Lux had ventured so close to Threar since his initial encounter with her and at the time had assumed he would never see her again. They didn't meet too often, though with their run-ins and growing curiosity the two had developed a friendship of sorts.
It was that very friendship that had led the mountain lion back to Aslan's home today. It had been a while since either of them had seen one and other and back within the area it made sense to stop by and attempt to find the tall wolf. She was of course a little cautious of those pack borders though, the majority of Threar were unknown to Lux, she'd heard names and relationships to her new companion though she'd never met any of them and likewise they had never met nor even heard of her.
You can choose if Frith finds Aslan or Lux first, thought it was about time that someone else in the family ran into Lux :)