You are in the grasslands of Africa, 3 million years ago.

The humid air of the Miocene forest was stifling, broken only by the rhythmic snapping of thick branches ahead. You halted, freezing as the vegetation parted. It wasn't a mastodon. It was much larger, taller than any elephant you had seen, with a flatter, more brutal head profile.

It was a lone male Deinotherium. He was colossal, standing nearly fifteen feet tall at the shoulder. His hide was dark, sparse with hair, and his eyes were small, dark, and filled with a maddened rage…

The 14-tonne beast swung his massive head, his strange, downward-curved tusks—hooked directly from his lower jaw—tearing through a sapling as if it were grass. He saw you, and he didn't freeze in curiosity. Instead, his ears flared out, and he produced a low-frequency rumble that vibrated in your chest before erupting into a high-pitched, terrifying trumpet.

It was then you realized too late he was not foraging. He was in a super-powered, moody yet enraged phase… and he was looking for a fight...