Empress's Endgame (Book 5 and final of the Death Incanate Saga)

Home had never been sweeter for Cage. Three tall beautiful women, two stepdaughters, a foster son and a whole flock of new beings. That was good, but after the latest prophecy, much work would be needed to end the four thousand year conflict and that of the mastermind who it tempting fate with powers she cannot control. It is time to end it all or be ended.