| Spoiler warning!|
This article contains plot details from the latest books.
Umber is a Shade, and keeps her appearance concealed with the Neverseen cloak. She is described to be a more powerful Shade than Tam Song. She is one of Wylie Endal's abductors. Her voice is said to be soft and raspy, like curls of smoke. Keefe described Umber to Sophie as "having good hair".