

Wounded or dehydrated animals lying on the ground, on the brink of death and surrounded by crows. Maybe characters with high perception would completely avoid this encounter? I don’t know enough about the GECK to know if this is possible or not.

Not sure if this could be affected to the player’s perception stat. Think it would be cool to have a deathclaw “sneak” up on you, or a pack of dogs/nightstalkers. Particularly animal enemies, as if the player was being hunted.

How about a random encounter that spawns an enemy right behind the player, giving the illusion of them sneaking up on the player. He stops mid-sentence and tells you he can't do it anymore and commits suicide. King's member runs up to you with "Hey, you're the one who's been going around.".Dead Chinese ghoul with a note about Communists painting Moon red.If you help with supplies or Medicine check, prospector marks you the location of Devil's Gulch. Followers doctor trying to help irradiated prospector.You can give them directions or supplies for NCR fame or small amount of caps. Family of refugees going to Bitter Springs.You can pressure him into giving you some medical supplies he stole or returning to camp. Prior to completing Restoring Hope/ We are the Legion- NCR deserter from Forlorn Hope offers to give you his armour in exchange for some clothing.Fiend walks up to you and asks you to watch his stuff (gives you some drugs, a random weapon and Fiend armour), changes into a dirty suit and walks away.

Mercenaries loot dead Legionaries, while the merchant mocks the wounded survivor. Aftermath of a failed Legion attack on a caravan.After completing I Fought the Law on NCR side you come across NCR troopers executing some Powder Gangers.
