Fire Witch: dark urban fantasy

To harness the power of flame, a fire witch must surrender to the inferno within. Aislin is a fire witch whose magic lies dormant until her mother delivers its inheritance. When a band of brigands attack her village, threatening her young sister and the entire village, she is powerless to help. That doesn't mean she is worthless. That power is valuable. And it can be exploited and traded. The question is: who has traded her power to this band of brigands, and what is the barter worthy of su...