It turned out that people from a few districts did know about the Cloud Sprites and had even interacted with them. However, they had no way to make contact. Trying to enter a name directly on the Invitation Card didn't work; it was ultimately a dead end.
Zachary Pierce reported the situation back to her. After asking for more details, Faye Yardley realized just how useful the All-World Communication feature was.
She then introduced the All-World Communication Phone to Zachary Pierce, a device that could automatically integrate with the system and allow for cross-world communication.
As for how to get one, you could ask the Otherkin, or use an Island Entry Order to reach a civilized city and buy one.
She also explained the currency system of Gold, Silver, and copper, and how the main system could be used to store funds.
Back when she was in Serenia, she hadn't known about these phones either. Otherwise, she would have definitely found a shop and bought several more.
