The Yao Guai are a species of mutated black bears. Strong, fast and deadly, Yao Guai are among the most fearsome creatures in the wasteland.



Although generally found alone, Yao Guai, when found in pairs, exhibit a gentle, familial bond toward one another, provided they do not feel threatened by the observer's presence.

Yao Guai attack nearly any other animals or people they encounter, including deathclaws.

They can be found in groups wandering the Capital Wasteland. They can be found mostly on and around rocky and hilly places.

Yao Guai have an underground den, the Yao Guai Tunnels (not to be confused with the Yao Guai Cave)

There are some Wasteland scavengers that managed to tame Yao Guai. These will not attack on sight and can be approached.

Combat behavior

Yao Guai attack via running pounces and slashes. Like all creatures that have pounce attacks, they can't pounce with a crippled hind leg.

They have high perception, and so can become aware of you even when not in a direct line of sight.

If you have the Animal Friend perk, they will no longer attack you or your party unless provoked. They can even fight for you after you get the second rank. Even without obtaining the second rank of the perk, the Yao Guai are hostile towards a number of other troublesome enemies.


Yao Guai corpses contain Yao Guai meat, which not only carries a respectable health benefit but also grants the player a damage bonus for a short period of time.


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  • According to a Fallout 3 load screen, these strange beasts descended from the D.C. area's black bears.
  • When one is extremely close to a passive Yao Guai (especially if it lies down to rest), they can be heard to have a wheezing, raspy breath.
    • This can also be heard by entering the Pip-Boy menu whenever a Yao Guai approaches or nears you.
  • A Yao Guai named Ruzka lives in the northwest of Point Lookout.
  • Scavenger owned Yao Guai are significantly smaller than untamed ones.


Yao Guai appear only in Fallout 3.

Behind the scenes

  • In Chinese, Yao Guai (妖怪) simply means "monster". In mythology, they are physical incarnations of the spirits of mistreated animals, or fallen divine animals.
  • Three Dog's advice on Yao Guai is simply: "Don't feed the Yao Guai". This is a reference to the adage "Please don't feed the bears," a saying commonly found on signs in parks, zoos and other areas populated by bears.



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