Hard to tell. Maybe it was a secret message, a valuable object, or even a lasting impact on the other characters. You'd have to look closely at the manga to find out.
There were two suspense left behind by Qing Yuannian. The first suspense was whether Fan Xian had died or not. At the end of the first season, Fan Xian was stabbed by Yan Bingyun and fell to the ground. His life and death were unknown. The audience began to speculate whether Fan Xian could survive this knife. His fate became an unsolved mystery. The second suspense was whether Yan Bingyun had sided with the Second Prince. The audience was also filled with curiosity and speculation as to whether Yan Bingyun had chosen the Second Prince to become his subordinate.
There were two suspense left behind by Qing Yuannian. The first suspense was whether Fan Xian had died or not. At the end of the first season, Fan Xian was stabbed by Yan Bingyun and fell to the ground. His life and death were unknown. The audience began to speculate whether Fan Xian could survive this knife. His fate became an unsolved mystery. The second suspense was whether Yan Bingyun had sided with the Second Prince.
The climax usually involves a major turning point or the most intense and crucial moment. But for 'Left Behind', it depends on specific plot elements and character developments.
In 'Left Behind', the plot usually kicks off with a mysterious event that leaves the world in chaos. The characters then navigate this changed world, grappling with the unknown and their beliefs. The story is full of suspense and spiritual exploration.
He might be someone who has had some influence in a certain group of people. Maybe he has been through some experiences that have made others take notice. But again, without more details, it's difficult to say exactly who he is. All we know from this phrase is that his story is still unfolding.