Leon couldn't understand why a Blue Dragon, instead of hovering in the desert skies using its sharp Dragon Eyes to scout and rob desert caravans and nomadic tribes, or burying itself in the sand disguised as a prominent rock to hunt, would run a shop in Oasis City and also moonlight as a Divination Master.
Considering there's something like the Enchanting Demon Paladins, the Blue Dragon's activities were not so out of the ordinary.
Leon was simply curious about the Blue Dragon's deeds; beyond that, he had no desire to speak up and ask, as he didn't want to reveal the Blue Dragon's identity, which could potentially expose his own.
"I heard your divinations are highly accurate, could I request you to perform one for me?"