Sorry for the double post but I’ve got a few questions. 

The letter that was delivered, and the strange magic hand sigil. How would this work in ya’ll opinion/imagination, with a siren who just came into dry land, and can’t read. She would probably be freaking out about her hand, and having no clue about the letter. I have a idea I could write, but I’m not loving it. So I want to hear how others would write this or handle it.