The Demigra Assault Saga is the fourth original saga in Dragon Ball Heroes.
- Universe Mission 3 - Resurrection of Demon God Demigra
In the Time Nest, Demigra along with his new henchwoman and secretary Robelu have invaded, riding on top of their Giant Turtle Fortress known as Shirogame. The Time Patrol members are there to confront them including Goku: Xeno, who had found a way to escape the Prison Planet, Vegeta: Xeno, Gohan: Xeno, Goten: Xeno, and Trunks: Xeno. Goku: Xeno fires a Kamehameha directly towards Demigra though it is easily deflected by the intercepting Robelu.
- Universe Mission 4
As Tokitoki flies over head, the Old Kai watches as Gohanks: Xeno stands off against the One-Star Dragon: Xeno near the Shirogame. In preparation for the upcoming fight, Gohanks transform into a Super Saiyan 3 before rushing into battle with his opponent.
- Trunks: Xeno and Goten: Xeno (Potential Unleashed) vs. Roberu, Haru Haru, Shun Shun, Demon Realm Soldiers and Shirogame
- Trunks: Xeno and Goten: Xeno (Potential Unleashed) vs. Demigra (Demon God), Robelu and Shirogame
- Trunks: Xeno, Gohan: Xeno (Potential Unleashed), Goku: Xeno, Vegeta: Xeno vs. Two-Star Dragon: Xeno, Five-Star Dragon: Xeno, Seven-Star Dragon: Xeno and Shirogame
- Gohanks: Xeno (Super Saiyan 3) vs. One-Star Dragon: Xeno (Super One-Star Dragon: Xeno)
- It made it's debut with Universe Mission 3.