"It's only natural that a true disciple sent by the Four Symbols Sect for an exchange would be no ordinary Foundation Establishment cultivator." The red-robed woman sent back an expressionless voice transmission.
"Junior Sister Yu Yin, this isn't your first time helping someone undergo marrow washing. You should know that the pain of washing the marrow and meridians cuts deep into the bones. Even if someone seems to endure it easily, they're only putting on an act. The twitching and trembling of their facial muscles can't escape our eyes.
"But this Junior Brother Wang from the Four Symbols Sect is different. Look how calm and unruffled he is, as though he truly doesn't feel the slightest pain. That's rather strange. Could he have been born unable to feel pain?" the gray-haired man said, marveling repeatedly.
"Who knows? Perhaps this Junior Brother Wang really does have extraordinary willpower and can treat pain as nothing." The red-robed woman's reply remained utterly unperturbed.
"Heh, perhaps. With talent like that, Junior Brother Wang might really manage to gain an initial mastery of the Crimson Sun Great Art. If he succeeds, he'll be the first person from another sect to learn it." The red-robed man chuckled.
"What, are you still bitter about failing to gain an initial mastery of the Crimson Sun Great Art back then?" the red-robed woman asked, her gaze flickering twice.
"You're joking, Junior Sister. After all these years, what bitterness could I possibly have left?
"Whether one can gain an initial mastery of the Crimson Sun Great Art varies from person to person. Only a tiny handful can cultivate it. My failure merely means that this cultivation art wasn't suited to me," the gray-haired man replied calmly.
"Really? But why do I remember you shutting yourself away in your cave abode