C131 The Best Way to Face Fear Is to Defeat Fear
Certainly, the loss of mortal life was a secondary concern.
The primary issue was that Hua Huiyin, being at the Nascent Infant Stage, wouldn't hold much of an advantage in battle.
Bai Mang had previously engaged in combat with a monster of the Nascent Infant Stage. It wasn't that she was utterly incapable of defeating it, but the effort required was substantial