That mural resembled a friend that Chu Feng knew.
If that truly was someone Chu Feng knew, then it would be no small matter.
That was why his heart was so shaken.
But soon, Chu Feng dismissed the thought.
Though the painting did resemble someone he knew, it was only somewhat similar — not an exact match, to be precise.
The person depicted in the portrait looked rather bizarre, more like a demon trying to take human form but failing to complete the transformation.
Though it had a human face and a human body, it also retained certain demonic traits.
Even its clothing was very peculiar — not the attire of any ordinary human.
Most importantly, the friend Chu Feng was thinking of was someone from the Lower Realm of Ancestral Martial.
There was no way such a person would appear in a place like this.
After all, this was the tomb of the Demon-Slaying Emperor.
This place had been sealed for tens of thousands of years.
In all those tens of thousands of years, no one had been able to set foot here.
Yet Chu Feng's friend was roughly the same age as he was — still a junior.
All of these reasons led Chu Feng to conclude that he was probably overthinking it.
"This place is far too bizarre."
"And there are definitely other living beings here."
"Until we can determine their cultivation levels, we must proceed with caution," said the leader of the Secret Cave Sages.
"To be safe, let's hide ourselves first."
"Take the lead with me, and the rest of you assist. Combining the power of all twelve of us, we'll set up a formation that can conceal each of us."
As Chu Feng spoke, he released the power of his barrier.
The barrier energy flowed out in thousands of fine threads, weaving together like spun silk.
Seeing this, the other eleven members of the Secret Cave Sages also released their own barrier power to coordinate with Chu Feng.
Before long, the silken threads settled onto the eleven of them one by one.
They draped over their entire bodies like clothing, even covering their eyes.
"Formation activate!"
With Chu Feng's soft command, the silken threads vanished — and at the same time, Chu Feng and the others all disappeared as well.
Of course, they hadn't truly vanished. They had simply used the power of the formation to conceal themselves.
"Wow, Brother Shura, this formation of yours is truly impressive!"
"Not only can it hide us, but we can even use it for private communication through the formation."
"This way, even someone with an extremely powerful cultivation won't be able to eavesdrop on our conversations."
"You brat — so young, yet you've mastered such an extraordinary formation. Impressive, truly impressive."
The members of the Secret Cave Sages examined the concealment formation on their bodies and showered Chu Feng with praise.
"Brother Shura's formation is ingenious, but it also demands powerful barrier energy and sufficient technique. Both are indispensable — so Brother Shura is truly a prodigy."
"Now you should all understand why I insisted on bringing him into our group," the leader of the Secret Cave Sages said with an air of self-satisfaction.
"We understood long ago. Brother Shura's spirit arts are genuinely superior to ours. We're in awe, truly in awe."
The other members of the Secret Cave Sages nodded in agreement.
"All right, all right, enough with the flattery. We've known each other long enough — who doesn't know whom?"
"Let's focus on observing our surroundings. But be careful — even with the concealment formation, don't stray too far apart," Chu Feng said.