Dugu Zixuan smiled faintly, signaling for him not to worry. She was just about to pull her arm back, only to find that Lin Heng was gripping it especially tightly.
"No! This black mark isn't corrosion. I... I can't explain what it is, but it has to be erased. We can't delay!" Lin Heng said with an exceptionally grave expression.
"Ah... all right, then. Mom will listen to you."
"Lay your arm flat on the tabletop first. I'll see what effect Revival Force has on it. If it's useless... then we can determine that it has nothing to do with corrosive or yin-eroding properties."
Seeing how serious he was, Dugu Zixuan did not refuse. It had not been easy to receive her son's concern; how could she possibly reject it?
His mother still had not realized the severity of the problem.
Just what was this damned thing? If not for the Dao Eye, I probably wouldn't have been able to tell it was bugs either. Even a cultivator like his mother couldn't sense anything abnormal. That was what was abnormal.
Wood-attribute True Yuan flowed onto the black mark. Those densely packed, barely perceptible bug-like things began to convulse violently, as if a feast of dividing food had begun.
They were as if they had taken this gentle surge of Revival Force as rations.
Instead of shrinking, the mark even expanded by a tiny bit, and in Lin Heng's eyes, this was extremely obvious.
He then tried the highly destructive fire True Yuan, but the black mark remained active, without the slightest hint of fear.
Dugu Zixuan seemed to have noticed something abnormal as well, feeling her arm begin to itch and tingle.
"Mom, it spread. Looks like we have no choice but to make a tradeoff. We can only cut