You guessed it right. This 'Fiercely Kneeling on the Ground and Surrendering Technique' was one of the lost techniques that the mysterious monster organization never spread to the outside world.
After joining the monster organization and passing the test, an elder holding a thick 'secret book' would come over in order to pass down the secret techniques to the newcomers. The name of this set of techniques was '200 Must-have Skills for a Monster Spirit to Survive'.
Casting prejudice aside, Song Shuhang really appreciated that technique called 'Ultimate Seducing Skill of a Pretty Female Monster'. After all, it was very pleasing to the eye.
Additionally, that Divine Stealing Technique very interesting as well. If a cultivator of the Second Stage like Song Shuhang were to use it, there was a certain probability that he could steal some small items from a cultivator of the Third Stage. However, Shuhang didn't like this ability too much.