The Dark Sacred Realm.
Within the former Abandoned Ruin, Dongguan followed the information Ying'an had provided and found a stretch of rubble.
With a slight stir of his thoughts, images of the past reappeared, though they were somewhat blurred.
After all, this ruin was a Hunyuan object. Its space-time was difficult for him to control, and even merely recreating past scenes lacked precision.
Still, he found what he had come looking for.
He saw Ying'an.
Back then, Ying'an had entered this ruin with other cultivators, but they had later separated, and he had entered an Underground Palace. He had long since taken away the items left inside.
Even that palace had later collapsed. What Dongguan was observing was merely the ruin as it had been in the past.
Studying the murals one by one, Dongguan sank into thought.
"So that was how it happened." He gently brushed the mural and the markings depicted upon it.
The original developer of the "Dao Derivation Poison" had not been a single individual, but a civilization-or rather, the vast majority of the cultivators of a Source World.
Those cultivators had created the "Dao Derivation Poison" precisely to serve as a poison, to poison an Ultimate Realm member of the Destruction Demon Race. That destruction demon was somewhat unusual. He excelled in three paths: "life," "destruction," and "cause and effect." "Destruction" was his innate talent, while "life" and "cause and effect" were things he had comprehended later.
Through "life," he possessed the ability to create avatars, making him exceedingly difficult to kill.
He also excelled in cause and effect, seeking advantage and avoiding harm.
Initially, that Source World's cultivators had possessed multiple Ultimate Realm experts and had been stronger than that king of the Destruction Demon Race, but they could not destroy him.
Yet the