At some point, you will head to the Appalachia region in , where you might come across different Mothmans. Based on the urban legend, this cryptid is a mutated creature that isn't easy to kill.
The Mothman is a rare enemy that was added with the Steel Reign update, and there's a good chance you might encounter this enemy when going to The Purveyor or exploring the region.
Much like the urban legend, this rare creature can come in various forms and actually exist in the game. They are mostly encountered at night, and you can easily spot them with their red glowing eyes.
But if you are looking for some easy locations to spot and kill Mothmans, here are some spots you can find them in. Since the Mothman can only be spotted at night, you need to explore some key random encounter locations in order to find the creature.
They will only appear in some locations since it depends on Fallout 76's RNG, but you should eventually encounter them. Here are some of the key locations where you can find a Mothman: There is also a friendly Mothman that spawns at the end of the Path of Enlightenment event that occurs at the Landview Lighthouse.