The 'One Does Not Simply Walk Into Mordor' meme stems from a pivotal scene in the 2001 film The Fellowship of the Ring, where Boromir, portrayed by Sean Bean, warns the Council of Elrond about the extreme dangers of Sauron's realm. First gaining traction in the mid-2000s on sites like YTMND and Something Awful, it quickly evolved into one of the most recognizable image macros in internet history. Beyond the original quote, users frequently replace 'walk into Mordor' with various difficult or impossible tasks, usually accompanied by Boromir’s iconic hand gesture. It remains a staple of pop culture, used to satirize everything from complex video game levels to everyday social challenges.