This Ancient Mirror was called the Void Sky Mirror.
Chen Changming had seized it from True Person Skull Ghost back then. It was a high-grade magical treasure.
As long as divine sense and mana were poured into this treasure, it could scan everything within several hundred li.
Hiding within the demonic mist, Chen Changming secretly used the Void Sky Mirror to scan the area. Sure enough, he discovered a group of figures stationed a hundred li beyond Demon Abyss Island.
"There really are people."
From their attire, Chen Changming recognized at a glance that they were all from the Nine Heavens Sword Sect.
"The Nine Heavens Sword Sect is powerful, after all. With cultivators at the tenth level of the Nascent Soul Realm holding the fort, it's best to proceed cautiously while the enemy's circumstances and ours remain unclear..."
Chen Changming muttered to himself.
Ever since Yue Li had plotted against him in the Nine Nether Hell, he had become even more cautious.
As the saying went, who walks often by the river without getting their shoes wet?
Never underestimate anyone, or any force.
Only then could one go farther and live longer in the cultivation world.
"Go see what their cultivation levels are..." With a light wave of his hand, Chen Changming released the Cold Nether Spider.
Though the Void Sky Mirror was wondrous, it lacked the ability to discern cultivation levels, so Chen Changming sent the Cold Nether Spider to probe their true strength.
The Cold Nether Spider had eaten quite a bit of Ten-Thousand-Year Ice Marrow, and its rank had surged dramatically, bringing it close to the mid-stage of Level Nine. During the four years Chen Changming had spent in the Ten Thousand Demons Tomb, he had not bothered with the Cold Nether Spider at all. Yet