Super Saiyan God, as the name implied, was the god of the Saiyans. Legend had it that long ago, our Saiyan ancestors did not live in Universe 7. They existed on Planet Sadala in Universe 6. Due to internal strife, the Saiyans of Planet Sadala split into two factions: one was the savage Saiyans, who focused on invasion and destruction, while the other was the kind-hearted Saiyans, who valued peace.
In order to oppose the savage Saiyans, one exceptionally gifted Saiyan among the kind-hearted Saiyans combined the power of heart from five Saiyans with righteous hearts, successfully transforming into a Super Saiyan God. He then defeated the savage Saiyans, driving them off Planet Sadala and out of Universe 6.
Hearing this, Bardock said, "King, are the savage Saiyans you mentioned the Saiyans from our Planet Vegeta?"
"Exactly right. The Saiyans of Planet Vegeta are all descendants of the savage Saiyans. That is why the Saiyans of Universe 7 are warlike and cruel—we have perfectly inherited the traits of the savage Saiyans. This is also why the Saiyans of Planet Vegeta were unable to transform into Super Saiyans for so many years."
"One of the most important factors for a Saiyan to transform into a Super Saiyan is possessing a righteous heart. Do you think the Saiyans of Planet Vegeta ever had such a thing—even the slightest trace of righteousness?"
Bardock replied, "No. The Saiyans of Planet Vegeta were warlike and brutal, without the slightest bit of mercy. They would even ruthlessly kill members of their own race."
Gaino said, "That is precisely why, after I came to Longhua Planet, I expressly forbade Saiyans from slaughtering one another. Our outward invasions were changed into protecting weaker planets, which was why I had the Galactic King make us Saiyans part of the