He showed off the location of the world pillar that Kyoya and his closed ones were living in. This was an unfamiliar place for all of them and what they could feel out of it was that there were some believers! This was it, but wasn't it common practice for the gods to send out their beliefs to world pillars and the worlds themselves?
It wouldn't be weird for them to have some believers here.
"Oh, they are pretty strong. Isn't this the first world pillar with the new system? And they got a place for themselves on the special floor."
"It is astonishing for them to achieve this feat. Their forces work together despite the different origins."
"Wait a second. Those little shits work together with this bitch's believers?"
