It's just that Princess Consort Yin wasn't seated here.
Princess Consort Yin didn't come at all. It was solely the maid who volunteered to gather information. She merely consented to it and offered a carriage.
In fact, Princess Consort Yin didn't hold much hope for Li Yuan's success, because no one knew better than her how difficult her father's Weapon Casting Skill was to learn. If it weren't for her father's countless unknown fortunate coincidences, the legacy he inherited over generations, and the painful madness brought by his experiences, he would never have reached his current level.
Yet even so, she ultimately made a promise: "If Li Yuan can inherit his father's Weapon Casting Skill, I'll entrust him with the rest of my life." Therefore... she supported Yaojue's secret observations.
...
Yaojue observed for a long time, then returned by Imperial Carriage, recounting everything she saw and heard to Princess Consort Yin.
