This training was different from the intensive field survival training she had for the past fifteen days. There will be no water or food during training. Once she's in the ravine, her food supplies will be cut off and she will have to figure out a way to get out alive. That was the reason why it is a 'narrow escape from death'.
This week, Ye Jian would have to eat many things, like grass and bark for her greens, mice, and birds for her meat.
She is not allowed to light up any fires, and she can't eat cooked food. There is only raw meat and food for her. That is why the training is called a 'narrow escape from death'.
Not only will her food supply be cut, Ye Jian still has to submit a carefully drawn military map. Once the training ends, she will also need to build a sand model of the ravines according to her memories!