[Ah. Seems Eren will be playing guide after all. He has the choice not to, of course, but he's made the decision recently to catch more flies with honey - or something like that.

[He pulls a dark purple pendant out of his pocket, holding it up for the other man to see.]

You were given a similar one, right? That's where your shards are stored.

They accumulate automatically when you interact with others. Somehow, our participation in this society benefits our captors.

You can use it to pay for anything you need, to locals, or between Dreamers.