The jackals and leopards in the jungle were certainly not a problem for Feng Ling. She was raised on the milk of wolves when she was a child. She didn't learn the skills to survive in a jungle cave before she was five years old for nothing. Since she could survive living with a pack of wolves, in the face of the great dangers of the jungle and the biting battles between wild animals, she surely had ways to protect herself.
Perhaps because she had drunk wolf's milk, she had a dangerous smell that some animals could smell, so they were afraid to come near her.
It took her only a third of the time that an ordinary person would spend to escape from the other side of the jungle, and to avoid being caught outside, she swam away by a river that diverged from the other side.