Okay. One second. [Laurel switches to text to give him a quick list of the names of bars she's passed by in Heropa. Then she switches back.]

According to a guide I was linked to a while back, the powers come from the Porter, the thing that brought us here. I think the powers are random, but I don't know for sure. And the Porter is controlled by a being called Lachesis; she can send people back whenever she wants and without any notice.