Optimus Prime ends up arriving in Equestria during his travels after Age of Extinction. And finds out that the ponies who live there are more than meets the eye.
Over a year later after the terrible aftermath of the Decepticon invasion, Princess Twilight discovers something deep within the Everfree Forest, something not of her world.
Twilight Sparkle had thought she'd seen the last of Grimlock- and of the Transformers in general. She was wrong. Now, what starts as a simple diplomatic mission soon spirals out of control as an ancient war threatens to come to Equestria!
Direct sequel to Transformers: Fall of Equestria. A new war is raging on between the Autobots and Decepticons on the peaceful land of the ponies. The Legend of the Transformers will fall in Equestria's darkest hour.
When strange, shape-shifting metal beings called 'Decepticons' attack Equestria, can Twilight, Applejack, Rarity, Rainbow Dash, Pinkie Pie and Fluttershy save it from them ... when they know absolutely nothing about their new foes?