who is Patchi's mentor, protector and teacher, tries to help Patchi impress a female Pachyrhinosaurus named Juniper, but her herd migrates south without him. Patchi is also attacked by a troodon, which attempts to eat him, but he is saved by Bulldust, resulting in Patchi having a hole in his frill as an injury which Alex claims that Patchi is "destined for greatness". Later, Bulldust moves his herd south as well, but when they try to pass through a forest, they are forced to flee when a storm strikes, and a fire erupts. Taking advantage of the chaos, a pack of ferocious Gorgosaurus attacks the scattered herd. They kill the rest of Patchi and Scowler's family while their leader and alpha, Gorgon, fights and kills Bulldust, while trying to defend Patchi and Scowler. Afterwards, Patchi's herd, which is now led by Bulldust's rival Major, combine with Juniper's as they continue their migration where Gorgon's pack attacks them again. In the ensuing chaos, Patchi, Scowler, and Juniper fall into a river and are swept downstream to the ocean, with Alex following them from above. At a beach, Scowler follows a herd of Edmontosaurus to find food, callously leaving Patchi and Juniper behind. The two make their way through a forest and eventually are able to find their herd and Scowler. After years of making the same migration from north to south and vice versa, a grown up Scowler becomes the herd's new leader after defeating Major and chooses Juniper to be his mate, much to Patchi's disappointment. Scowler recklessly leads the herd onto a frozen lake, but Patchi is able to lead the majority of the herd to safety. Enraged and believing that Patchi is going to be usurping him and also trying to take Juniper from him, Scowler confronts his brother and challenges him for a battle in exchange for leadership of the herd. Scowler, since he is a lot taller and stronger than Patchi, quickly gains the upper hand and defeats his brother by trapping him under a tree before disowning him and ordering Juniper along with the rest of the herd to leave Patchi behind. Despondent and heartbroken, Patchi, who is now trapped underneath the tree and unable to do anything, attempts to accept his fate by allowing Pterodactyls to kill and eat him, but Alex convinces him to die for something worth dying for as Bulldust did.