Let me introduce you to Copper Reign, Book One of the Heartstone Collection:
The tale of Sinauf was a secret nineteen-year-old Nina Douglas’ ancestors kept hidden for generations. But after six-hundred years of concealment, their protection has failed, bringing Nina’s fate into light, and revealing an inescapable truth.
The dark god of legend is real.
Caught in an ancient war still raging in the modern world, Nina is confronted with Sinauf—the embodiment of all she fears and desires. Like a moth drawn to a deadly flame, she must resist the seductive charm of an alluring monster, or prepare for the destruction of an entire universe.
Temptation is known by many names, and he is coming for her