Among Hua Min'er and the others were plenty of clever people. As soon as they saw Ling Tian's Externalized Small World compressed to the extreme, they quickly connected the dots and realized that they could compress their worlds to the extreme, too. Some of them immediately began trying it, including Hua Min'er and Ling Chou. In that situation, Ling Tian could only teach them the secret art. He knew full well that they would try it even if he didn't teach them, and that would only put them in greater danger.
Of course, after teaching them the secret art, Ling Tian didn't forget to warn Hua Min'er and the others never to use it unless there was absolutely no other choice. Once they did, there would be only one outcome for them—death. And that was the last thing Ling Tian wanted to see.
It was worth noting that Ling Tian also told Hua Min'er and the others to use this technique as leverage in negotiations with the Lord of the Universe. He even told them when to use it: if Ling Tian fell and dealt the Lord of the Universe a devastating blow.
It made sense. If Ling Tian could withstand the Lord of the Universe's cosmic suppression, that would mean he had ultimately defeated him. In that case, Hua Min'er and the others wouldn't need to threaten the Lord of the Universe by using their extremely compressed Small Worlds. They could only do so if Ling Tian fell or was possessed by the Lord of the Universe—and even then, they would need to self-detonate together in a group to have a chance. The more cultivators who mastered the technique of extremely compressing their Small Worlds, the better their chances of threatening the Lord of the Universe.
After promising Ling