Ling Tian and the others had been able to enter Feng Lingzi's Small World and be taken into the ancient ruins because they had all gathered together at the time. Feng Lingzi could bring them all inside in an instant. Chi Xue and the others couldn't do that. When they'd seen ripe fruits fall from the Ginseng Fruit, Chi Xue's people had rushed in before they could stop themselves. That meant they were spread out, making it impossible for even a Quasi-Saint Ninth Order expert to gather them all inside a Small World and take them into the ancient ruins.
What's more, although Chi Xue's alliance had several Quasi-Saint Ninth Order experts, they weren't necessarily skilled in formations and restrictions. In that regard, they were much like the Outer Realm Demon Race cultivators. Facing two or three dozen Quasi-Saint Ninth Order Outer Realm Demon Race cultivators blocking their way, they still had a good chance of being stopped. If that happened, they'd be in danger. Several Quasi-Saint Ninth Order experts could easily be killed by the Outer Realm Demon Race cultivators, and Chi Xue and the others inside their Small Worlds would be in grave danger too. They might even all be killed. That was the last thing Chi Xue and his people wanted.
For all these reasons, Chi Xue and the others hadn't chosen that approach. As they envied how united and coordinated Ling Tian's group was, they'd thought of another way: unleash as many of their self-detonating flying discs and Explosive Jade Talismans as they could to hold back the Outer Realm Demon Race cultivators. The God Devouring Body cultivators among them would also use the God-Devouring Demon Domain to obstruct their pursuers. On top of that, the ancient ruins were filled with powerful formations and restrictions that