Unless... they had lost their cultivation?
But if that were the case, it still could not explain why they happened to have these signals on hand—unless they had foreseen this situation before setting out and brought signal fireworks that could be launched without cultivation.
Lu Qing cast his gaze over there and no longer kept his mind focused on that side, though he still sent a thread of divine sense to watch the movements there, lest something happen again.
He turned his gaze away and looked at the ground beneath his feet. "There are faint traces of resonance everywhere here. Its location must be right here."
"Tribulation after tribulation... collecting this Primordial Qi is far more difficult than collecting that of the Primordial Era."
Compared to the present day, the Primordial Era naturally had both its good points and bad points.
The good point was naturally the abundance of these natural qi. The less favorable point, relatively speaking, was the rampant culture of the Ancient Demonic Path. Among the cultivators of the Ancient Demon Sect in the Primordial Era, cultivators were resources to be used to the fullest; earth veins, spirit veins, and such things never entered their consideration at all.
When Lu Qing had first begun cultivating, he had been astonished that the Demonic Path could so casually destroy spirit veins. But compared to the Ancient Demon Sect of the Primordial Era, that was merely a firefly before the moon. Mere spirit veins? The more ruthless ones would directly shatter the earth veins and earth qi entirely, reducing that place to nothingness.
"Come to think of it, the earth veins in this place..." Lu Qing sensed for a moment. He could not detect any aura of earth veins, only the rolling heat of magma.
This differed from what Lu