If they turned back now, they would die before they could find their destination.
After all, when they set off, they were in their best condition and had the most energy. But they had walked for five days. According to their current physical condition, even if they didn't die, it would take six or seven days to reach the place of departure.
This was only half the journey. There was still half the journey left.
Furthermore, they were lacking in food, water, and medicine.
Yue tingfeng and su Zhan were still fine. In the past, the two of them had paid attention to exercising and their physical fitness was very good.
However, the others, especially those who were not in good health, were having a bad time. Some of them had a low fever and some had diarrhea.