Xian Jie Da Shi is written in Chinese as a playful title linked to immortal realm stories, a popular setting in fantasy novels, games and dramas. Online, short voice clips like this spread through soundboards and short video edits because the phrase is easy to recognise and reuse out of context. Creators borrow grand fantasy titles for everyday people, turning a brief line into a running joke about fake expertise and overconfidence. Its one second length keeps it portable for reactions, remixes and repeated punchlines across different edits.