Shatter War (Time Shards series)

In a world completely broken by a cataclysmic event, the past, present, and future have collided into a chaotic reality filled with prehistoric creatures, historical armies, and futuristic technologies. A diverse group of survivors joins forces with a mysterious leader named Merlin, hoping he can help them repair the timeline. However, when their highly advanced spaceship is intentionally sabotaged and the team is separated, they must hunt down the traitor within their ranks while fighting to stay alive across a fractured, war-torn landscape.