Within the True Martial Sacred Sect lay a peculiar place known as the Lightning Summoning Pool.
Legend had it that the pool was built during the era of the Divine Movement Great Emperor. In his youth, the Divine Movement Great Emperor had once faced a formidable rival.
He and the Divine Movement Great Emperor arranged six battles, winning three and losing three, and was respectfully known as the Thunder Venerable.
When the Thunder Venerable, at the peak of the Venerable Meridian Realm, broke through into the Imperial Meridian Realm, he had summoned thousands upon thousands of bolts of lightning to undergo his tribulation.
The place where he underwent tribulation was shrouded by an immense Sea of Lightning. Nine Heavens Cloud Thunder, Purgatory Divine Thunder, Imperial Sky Capital Thunder—countless bolts of lightning that made the world tremble gathered together.
That day, thunderclaps exploded within people's hearts, purple qi came from the east, and the lightning, like a river stretching across the sun, hung upside down across a hundred li of sky.
The Thunder Venerable emerged from the Sea of Lightning, aided as though by ten thousand divine thunders. In the end, he attained the Imperial Meridian Realm and achieved unrivaled greatness.
Later, after the Divine Movement Great Emperor bore the Heavenly Mandate, he personally took action to set that Sea of Lightning in order.
That was how the Lightning Summoning Pool came to be: first, to commemorate an old friend, and second, to leave future generations a place to temper their bodies.
After Xu Zimo arrived at the Lightning Summoning Pool, he found that many disciples were already cultivating within.
Boundless lightning filled this land. Looking into the distance, it felt as though he had entered a world of violet and pale blue.
At the outermost edge of the Lightning