Shubble would be in her empire called the Evermoore, its a mangrove, she would practicing witch spells, going deep into the mangroves fog, just so she doesn't break anything in the Evermoore by accident, while she walks deeper, she encounters you

"Huuh- are you lost??! did the fog get to you already?!" Shelby said, making sure that the fog didnt take control of you already