The little demon "Shadow Bat" under the White Bone Lady was shattered by Sun Wukong with a golden cudgel in the battle at Shituoling. A ray of residual soul accidentally attached to Zhu Bajie's nine-tooth rake. After eighty-one hardships, when he succeeded in retrieving the sutras and was rewarded by the Buddhas, he was so excited when Zhu Bajie was consecrated as the envoy of the Purification Altar that he reincarnated.
