(And she chose a very tactful way of doing it.)
Matthias went under and followed them. He could barely see, since it was so dark, and felt a little trapped, since the exit wasn't very visible but since he knew it was there, he didn't panic.
Levi was lead to a hall with sapphires inlaid in the floor and emerald framed windows. Though the sun was on the other side of the castle, a light seemed to shine through them, making the gems seem to glow. The pillars were a golden colour and carved in intricate patterns, and even some stories. It felt like a safe place to be, and he liked it.