People often search for "fmab_018.mp4" because it marks a major in the series. It transitions from an adventure story into a dark political thriller involving government-sanctioned murder and human experimentation [2].
If you are referring to a specific (a "lost episode" style story) involving this filename, these are typically fan-made horror stories that use the already disturbing imagery of the show—like the "Human Chimera" or the "Gate of Truth"—to create a narrative about a "cursed" video file that causes psychological distress to the viewer. fmab_018.mp4
The episode also features the Ishvalan survivor, Scar, who continues his crusade against State Alchemists, further complicating the brothers' attempts to find a peaceful solution to their quest [1]. Why it is Searched This Way People often search for "fmab_018