"Since you want to know, I'll tell you.
The Great Thousand World of old could not be called peaceful, but its conflicts were merely internal disputes, incapable of stirring up any great storms.
Then one day, a group of people arrived from beyond the Great Thousand World. They called themselves the Sacred Clan, while the Great Thousand World called them Outer Realm Demons."
Qingyan Jing and Lin Dong listened intently. They truly knew very little about the Outer Realm Demons' real origins.
"Outer Realm Demons is naturally a derogatory term, yet those Outer Realm Demons did not find it shameful. Instead, they took pride in it.
Their leader even called himself the Heavenly Evil God, leading the Outer Realm Demons in an all-out assault on the Great Thousand World.
At that time, the many powers of the Great Thousand World united to fight the Outer Realm Demons.
I was considered one of the strongest fighters at the time. The Immortal Great Emperor, that old bastard from the True Phoenix Clan, the leaders of several other major powers, and I joined forces against the Heavenly Evil God."
At this point, Long Ao could not help but sigh.
"Alas, the Heavenly Evil God was far more powerful than we had anticipated.
That was while he was being suppressed by the laws of the Great Thousand World as an outsider.
Otherwise, we would never have been his match.
In the end, several of us had to sacrifice our lives to grievously wound the Heavenly Evil God and create an opportunity for the Immortal Great Emperor.
The Immortal Great Emperor paid with his life to completely seal the Heavenly Evil God. Only then did the Great Thousand World defeat the Outer Realm Demons and drive them out.
That was roughly how it happened. I