[Eren nods. She's here, she's affected, she's without options - she's in. So, there's no reason not to show her.

[He moves a few paces away, through an open archway that leads down a stone corridor.]

This church was run by a family of noble blood before the end. These tunnels were kept secret, used for rituals.

[Long, turning, twisting. Eren keeps a steady pace.]