Equinox Series by Desiree Finkbeiner

When a mysterious stranger interrupts Brianna’s mundane routine, her eyes are opened to the dark underbelly of reality… immortal rogues, ancient conspiracies, prophetic revelations, savage tribes, mammoth dragonflies… She’s thrust into a race for her life when Kalen, a warrior from Ethos, discovers that she is harboring a secret… a secret that he’d give his life to protect... moreWhen a mysterious stranger interrupts Brianna’s mundane routine, her eyes are opened to the dark underbelly of reality… immortal rogues, ancient conspiracies, prophetic revelations, savage tribes, mammoth dragonflies… She’s thrust into a race for her life when Kalen, a warrior from Ethos, discovers that she is harboring a secret… a secret that he’d give his life to protect. There’s just one little problem… they are tempted by a forbidden romance, which threatens to compromise a divinely appointed mission. They are faced with a choice… love eternal, or the end of the world… less