Heart Demon Oath

"I can guarantee that as long as you can take me out of here, I will not only allow you to absorb the green mist, but also protect you for ten thousand years while you do so."

The old man looked seriously at Lin Xuan.

"Moreover, I can swear a Heart Demon Oath that I absolutely will not use any overt or covert means to harm you in the slightest in the future!"

The old man was displaying complete sincerity. It seemed that to escape the green mist, he was willing to pay any price.

However, Lin Xuan's face remained cold as he looked at the old man. There were simply too many methods a powerhouse like the old man could use to circumvent a Heart Demon Oath.

And with Lin Xuan's current cultivation, he could not see through any of those methods. No matter what means the old man used while swearing the Heart Demon Oath, Lin Xuan would almost certainly be unable to notice.

Under such circumstances, Lin Xuan naturally would not believe any bullshit Heart Demon Oath.

Lin Xuan simply fixed the old man with a cold gaze without saying anything. This caused the confident smile on the old man's face to stiffen slightly.

The old man truly had not expected this.

He had already gone this far, yet Lin Xuan's face still showed no sign of being moved. Instead, he looked increasingly cold.

He even seemed ready to leave immediately.

This was simply far too different from the expression the old man had expected Lin Xuan to have.

The old man's expression instantly turned ugly, and his heart grew anxious.

To be honest, the old man was genuinely afraid that Lin Xuan would simply leave. If Lin Xuan left just like that, the old man would