"So, it turns out to be the World Destruction Array, no wonder..."
An Jing felt a bit enlightened, though the words he didn't speak were, 'No wonder the Heavenly Profound True Talisman would come to me amidst the Seven Fiend Tribulation'.
The annihilation of Heaven and Earth, the return to the void in all directions, is essentially the tribulation of the end. Although their purposes and capabilities are different, they naturally share a fundamental connection with the Seven Fiend Tribulation.
And the 'Heavenly Profound Ultimate True Spirit Core' mentioned by Silver Moon Lanthanum piqued An Jing's interest.
Chenyinzi and Lord Cheng Guang were indeed not in good condition. If not necessary, they would remain in slumber, as before, except for threatening Silver Moon Lanthanum; the two elders didn't want to utter a single word, preferring to continue resting in feigned sleep.
