Jade Slips were as common as could be in the cultivation world, yet for the Flying Devil Lord to have treasured it enough to place it solemnly in his Storage Bag, its value was certainly no small matter.
A grave look also appeared on Lin Xuan's face.
He raised his right hand, and the Jade Slip seemed to be drawn by an invisible force. With a flash of spiritual light, it fell into his palm.
Lin Xuan lowered his head slightly and sank his divine sense into it.
One black character after another emerged in his mind.
This was actually a cultivation art.
A trace of astonishment appeared on Lin Xuan's face, and he simply began to comprehend it.
Only after three days and three nights did Lin Xuan raise his head.
His face was filled with uncertainty, dark and clear by turns.
This cultivation art was actually far more complex than he had imagined.
One had to know that Lin Xuan had dabbled widely, and he himself was a cultivator at the Tribulation Transcendence Late Stage. The Ink Moon Heaven Witch Art he cultivated was even more profound and obscure.
Logically speaking, if a cultivation art were placed in Lin Xuan's hands, even if it was rather abstruse in itself, a day and a night should have been enough for him to comprehend it.
Yet after three days, Lin Xuan still had no clue at all.
Just thinking about such a situation made it feel inconceivable.
This Nine Saints Heavenly Demon Art truly was no ordinary thing!
If his guess was not wrong, it was most likely that Flying Devil Lord's own main cultivation art.
He wondered whether his Second Nascent Soul could cultivate it.
Lin Xuan was not being greedy.
His Second Nascent Soul had originally cultivated Demonic