The Adventures of Wu Kong, vol.4 oleh Cun Ren

From the moment they crossed the western border of the Tang Dynasty, San Zang and Sun Wu Kong have been in danger. When not struggling to keep the monkey from causing trouble or angering the gods, the priest must worry about threats from both monsters and people. But the two journeymen have found fortune and the occasional friend along the way, and now another unlikely companion is set to join them on their journey to the West. The two travelers come upon a village whose ruler asks for their help in defeating a pig monster who has kidnapped his youngest daughter. Sun Wu Kong lures the pig monster into a long fight. Sun Wu Kong finally gains the upper hand and is about to kill his opponent when the pig monster reveals that the Goddess of Mercy has recently approached him about becoming San Zang's second companion for his journey to the West. Sun Wu Kong is annoyed that the goddess has picked such an ugly creature to accompany them, but spares his life. San Zang gives the pig monster the Buddhist name Zhu Bajie, and he joins the two travelers on their journey.