How long can the legend of flying night last?

30 days or forever. The legend of flying night is QQ flying night legend is a series of cars, just like Renault, but the legend of flying night is not as easy to get. Players can get the legend of eternal night by lottery and opening boxes, which is usually 30 days or forever. Whenever you open a star card, you will have the opportunity to take away the legend of car A's eternal night.