The Princess of Thieves and Illusions | Book 1 of THE OPAL CHALICE Series

An illegitimate princess, a group of thieves, a mysterious figure from another kingdom.
Thousands of years after the gods died, people living in the lands they rule still have their powers. The royal families, descended from the gods and goddesses form strong alliances among each other to guarantee the continuation of their own and their people's strength.
Alyssa, a shapeshifting thief, has heard of a magical cup from the time of the gods, the Opal Chalice, that can grant people whatever they desire, and she wants it for herself.
Harlow, the illegitimate oldest daughter of King Riker, has always had one mission in life, and she might have just found the way to achieve it. The Opal Chalice.
And while they're looking for it, there's a mysterious figure lurking around, making sure they're following the steps they should for her master's goals.