[He can't help but blush a little at that look over.] A-h, um. I had some help.

Anyway, we need to look at the edges of the barrier and find the locations the keys need to be placed. You're right, we can't touch them. But the living can and we can leave marks at whatever we discover.

[What else. They need to make a quicker line of communication.] ...we need a faster way to contact them that isn't by letter. Or as tiring as switching forms.