Her Reckoning(shadow series)

In a world dominated by witches and riders, Valencia is thrust into a startling revelation: she is part of a long, forbidden cycle of reincarnation, the latest in a line tied to Diana, the last Chosen Daughter of an ancient, dark coven before it was wiped out. Haunted by fragmented memories of past lives she cannot fully grasp, Valencia is bound to Monstuta, a fearsome and secretive creature born of darkness and fury. Struggling to control the beast within her, she soon discovers that she is being hunted by the king, a descendant of the man who betrayed Diana centuries ago, determined to annihilate her bloodline once and for all.

Caught between the weight of her past lives and the uncertain future, Valencia must decide if she will embrace her role as a rider sworn to protect humanity or accept the darker legacy she was bred for. With powerful forces closing in, her choice will determine the fate of a world teetering on the edge of chaos

In a world that wants her dead, her rise will bring it to its knees.