[Sebastian has - only half-jokingly - entertained the idea that the lady Elizabeth is behind the design of this entire world tbh, and that's even before finding out the extents of what she can do.]
[He holds up his own, red pendant with a look of faint disdain-- what are they thinking, giving jewellery to a servant? He's not given time to verbalise that disdain, however, since they're getting the guiding beam.]
Ah... that, I believe, answers the young master's question.