Grimlock, the beloved powerhouse T-rex with an attitude, and one of the strongest Cybertronians in existence, finds himself magically transported to a world of fantastical beasts and strange powers. In this savage world, where the strong rule with sword and iron, Grimlock finds a new opportunity to prove he’s the strongest there is--but as Grimlock and the human barbarian Arko will learn, sometimes brute strength isn’t enough.