This stage is named "Severing the Heart"!
Now, it appears more to be an examination of one's ability to perceive subtle expressions in others and control one's own expressions, determining whether someone is lying through various details, and at the same time, making it as difficult as possible for others to judge whether you are lying.
It also examines the richness of the experiences you've had in the first half of your life.
Chao Tian Sect is a pure Sword Cultivation Sect. A Sword Cultivator needs to experience the mortal world, he could understand, only by seeing through the mortal world could one prove their true heart. But the examination of one's ability to judge others' subtle expressions puzzled him. Does a Sword Cultivator really need to learn this?
Actually, he had a very killer thing.
That was—
Seven-colored term!