Yu Qi called Grandpa Dian asking him about the family members who left Miracle Space. They were earlier than expected. So, she wondered if something happened to them.
Grandpa Dian told Yu Qi they were safe even though they were injured. They already got the medical attention they needed.
As for why they were leaving the Miracle Space, that was because they were running away from the fierce monster. When the monster was about to strike the blow on them, they decided to use the stone to escape.
Grandpa Dian also thought it was a wise decision because if they did not escape from the monster, they might lose their lives. It would be horrible.
Yu Qi was relieved to hear that. Other than this group, everyone was still inside the Miracle Space training.
....
Yu Qi walked to the research centre. When Yu Qi was about to enter the area, she saw a woman hiding inside the bushes.