Before the War Edit
During the War Edit
After the War Edit
Became a Canterlot Ghoul following the fall of Canterlot. She may have been a resident of Stable 1, but it is unknown if she was.
She eavesdropped on Brittleshine while she was listening to her sister's recordings. she then suggests that Screwloose might still be alive. Brittle originally rejects her idea before considering a line from Pinkie Pie from the recordings. When asked Sundae shares her knowledge of Pinkies' prediction powers from "The Book of Littlepip"
When Brittleshine sets out on her quest, Sundae is chosen to be Mayor of Recurrence while she is gone.