Fragile Nights (the Way of Wolves Series #1 & 2)

Violence is a disease that hollows the mind Tyyr is a member of Valsair's secret police. As part of the House of Ravens, she is the first to gather information for her king. She's a killer, a spy; efficient and self-reliant. Rumors of a dissenting lord passes through the Houses, and Tyyr is sent to investigate. The heart of the matter is a mysterious jewel known as the Dragon's Tear. Tyyr must take the gem back to the capital, but the mission becomes a game of cat-and-mouse when the new owners want their possession to remain a secret. Inside Valsair, a killer is leaving a trail of bodies in his wake. The corpses of two missing girls and a knight send Warden Zaka and his guardsmen on a mission to find the killer responsible. The fates of Tyyr and Warden Zaka intertwine as they seek their truths, and fight for survival against the secrets of the kingdom.
[Complete edition of The Dragon's Tear and The Hunt]