Shard didn't ask Miss Chloe any questions, to avoid making the cat-transforming witch feel uncomfortable. Since there was still some time, Shard asked the other two about the situation. Of course, during this time, Shard had to control his instinct to pet the cat, as keeping Mia for the past six months had ingrained that reflex in him.
Mrs. Marques decided to head towards the mountain summit with the missing witch's boots and make an imprint on top, so Shard inspected those boots. Although the workmanship was exquisite and the shoe size was surprisingly as small as Miss Chloe's, they were just ordinary items, so no special attention was needed.
As for the man huddled to the side, his reason for not speaking was his fear of witches. But when Shard approached and asked, he was still willing to say a few things. The man lowered his voice, as if afraid of being overheard by the witches. He