This animated film has been a box office phenomenon in China. As an English-language version opens in the United States, we provide an explainer.

Chinese film “Ne Zha 2” became the highest-grossing animated movie of all time earlier this year, mostly because of its massive popularity in China.

There are other ways to get closer to immortality, too. For example, magical immortality pills can serve as a shortcut by granting years of cultivation. Meanwhile, a key plot point of Ne Zha 2 is that the titular main character is trying to complete three heavenly trials to win his immortality.