Speculations

Ren and the others searched the Temple of the Goddess of Light and were surprised over and over again by how rich this Temple was. The more they saw the less it looked like a Temple. Still, even with everything, the most eye-catching things were the abnormal amount of artwork in regards to the Goddess they were worshipping. Every single hallway, every room, basically every corner of this place had some sort of artwork of the Goddess of Light. 

There were also a lot of rooms that seem to be for sermons, and there were even rooms labeled as rooms for the homeless. Still, based on the way this Temple works, the homeless people would be humans, and the non-humans would most likely never get to see those rooms.