Eternity Gate (The Timekeepers #2)

One false step could undo everything the Timekeepers hope to accomplish... Earth's ancient past, the future of the planet Kila, the timekeepers universe of origin, the primordial era when the Nefilim first ruled the galaxy and a timeless universe of utter darkness, are all periods vital to advancing human consciousness. After surviving Ancient Zhou, the timekeeper's efforts turn to rescuing the planet Kila from its ill-fated future. But a mishap in the remote mountains of tibet before departure provides a nemesis with the perfect opportunity to launch a time-hopping vendetta against them. there is nowhere in this universe to hide. the discovery of a gate thought to lead to several universes provides more than just the means to undermine their stalker; it offers the chance to remember their lives as the Grigori, who once dwelt with the fallen Elohim, in the dark universe beyond the Eternity Gate.