the spirit of the invoked person came out of the vase with the form half human and half snake,

Spain / Mexico / China, same common imagery? The vision of the snake was a Mayan ritual to get in touch with divinities or ancestors through the practice of bloodletting, the spirit of the invoked person came out of the vase with the form half human and half snake, it could be the same vision also for the Altamura paintings ? Chinese representation is also a form of ancestor.

▪️Spain, Altamura rock paintings, 20000 BC
▪️ Mexico, Mayan god K'awiil in the Serpent Vision, 600 AD.
▪️ China, Matsusuke, the ghost of his murdered wife Oiwa, c. 1800 AD.