culture In popular culture yaoguai often engage in romantic relationships with humans. These relations are usually described as subversive of the natural order, if not forbidden, and usually have detrimental effects on their human partners. The truly evil ones are usually referred to as guài (literally, "weird") or mó (literally, "demon" or "magic") in Chinese and in popular culture they are often depicted as feeding on the vital energy of their thralls. Their greatest goal is achieving immortality and deification. But monsters are not usually thought of in a religious sense. Whilst not all are evil, their appearance is generally regarded as inauspicious. In popular culture The Fallout series features mutated bears identified as Yao Guai. These creatures roam many parts of post-War America, appearing in Fallout 3, the Fallout: New Vegas DLC Honest Hearts, Fallout 4, and Fallout 76. They attack both the player and various non-player characters. In Fallout 3, one of the in-game radio stations broadcasts an occasional public service announcement reminding listeners "don't feed the Yao Guai". In Fallout lore, the Yao Guai were named by descendants of Chinese internment camp prisoners. In the "Dark Aether" ("Zombies") storyline of the video game Call of Duty: Black Ops Cold War, the QBZ-83 assault rifle can be upgraded ("pack-a-punched"), giving the gun the name "yaoguai". The Taiwanese black metal band Chthonic has a drummer who wears a metal mask of a black demon mouth. In the downloadable content "Nightmare in North Point" of the video game Sleeping Dogs, players fight demonic creatures called "Yaoguai". The American fantasy television series Once Upon a Time featured a creature called a Yaoguai in the second-season episode "The Outsider". Here, it was depicted as a large lion-like creature with a mane of fire. Maleficent transformed Prince Phillip into a Yaoguai until it was undone by Belle. The Yaoguai's Yaomo alias was used in AdventureQuest Worlds during its 2014 Akiba's New Year celebration on Yokai Island. It is depicted as a horned half-demon half-horse creature (with its build being similar to a centaur) with additional eyes on its chest and parts of the horse body. It was responsible for corrupting Akiba's Jingshen Forest causing the Qilin Senlin-Ma (who was the guardian of the Jingshen Forest) to enlist the player for help. The players were able to defeat the Yaomo. An episode of the television series Sleepy Hollow features the Yaoguai as a demon