Bambina—along with Thudder the rabbit, Flora the skunk, and Mother of Bambina—all frolic together through the woods just west of the Westfall Brigade Encampment. Occasionally a spawns and shoots Bambina's mother, killing her.
After Bambina's mother dies, Bambina says "NOOOOO! Mother! We'll avenge you!" She then gains a buff entitled "Bambina's Vengeance", which increases her attack speed by 150% and damage dealt by 2000%, and proceeds to kill the hunter. A player killing both Bambina's mother and her friends appears to have the same effect.
An obvious homage to: