Although Yu Ying had broken through to the Near-Saint Twentieth Heaven, Ling Tian still wasn't entirely confident he could bring him safely out of the universe. After all, if they hadn't known the Lord of the Universe would go easy on him and Xiao Shi, they themselves wouldn't have been confident they could break free from the Lord of the Universe's restraints, let alone Yu Ying, whose strength was far below theirs. Even now, Ling Tian and Xiao Shi had little confidence they could escape the Lord of the Universe's restraints through their own strength; they could only rely on the Lord of the Universe going easy on them.
Yu Ying wasn't one of the seeds chosen by the Lord of the Universe, which meant the Lord of the Universe wouldn't deliberately go easy on him. So even with Ling Tian and Xiao Shi joining forces, they weren't entirely confident they could bring Yu Ying safely out of the universe. Thinking of this, Ling Tian grew worried, and he even began to waver. He considered not taking Yu Ying along to face the tribulation with them, since that would be safer for Yu Ying.
But then he remembered that Yu Ying was different from Feng Lingzi and the others. He wasn't trying to break free from the Lord of the Universe's restraints; he wanted to return to his hometown, where his family was waiting for him. If he didn't return in time, he might never see them again. That was why Yu Ying was so determined to face the tribulation alongside Ling Tian.
Ling Tian knew that some things were more important than a cultivator's life, family ties among them. Whether Yu Ying could break free from the Lord of the Universe's restraints and return home to see his family