|Season 4, Episode 01 Part 1|
|Air date||Fall 2015|
|Season 4x03||4x05 Rise of An Empire|
The warriors gather all of there best together to take out a barrage of foes threatening to take over the city. Reign is going through his trials as a leader and will face his toughest battle yet. Marg and Tyler find a familiar face who holds the key to unlocking the tomb of Vale and discovers a haunting secrete. Drake gets a new upgrade and Kain might've found true love after all these centuries.
Destined for danger . . .
Reign has faced countless challenges—escaping the Dark Dimension, defeating phantoms, kitsunes and more evil foes. But nothing compares to choosing between the two loves of his life: Margarette and his adopted children. Kain has reunited with Tiarra, while Tyler, hurt, but healing from battle, has vowed to raise his family. Now Drake's evolved into his true form and has been redeemed by saving the townsfolk of East End.
Elsewhere, Vale gathers his menions together to overthrow the town. Caroline now can decide who her heart belongs to, Universal University's campus is overrun with monsters alike determined to resurrect Klaus' foe Nail, the wicked Old One who will stop at nothing to destroy Reign—and everyone close to him.
As Reign learns more about his destiny as a Guardian, a protector against evil on earth, he realizes that before he can defeat Nail, with Zander's help, he has to sacrifice someone close to him. Reign must decide how much—and who—he's willing to give up before it's too late. . . .