Lin; Reunion (Arknights)

Lin Yühsia is the only daughter of Rat King and his successor as the godfather of Lungmen's criminal underworld. She is also a childhood friend of Ch'en and Swire. They promised to attend the same secondary school together, but Ch'en and Swire instead studied abroad in Victoria. Lin was disappointed that Ch'en and Swire broke their promise, which strained their friendship. Despite being the daughter of Lungmen's godfather, she has not yet decided to take her father's place. Instead, she has been working publicly as the President of the Lungmen Young Entrepreneurs' Association.

Similar to her father, Lin possesses the Arts to control sand. Precisely, she has the ability to convert sand into glass as well as controlling glass products.

During the battle of Lungmen, Swire was informed by Ch'en of a massacre in the slums and immediately called up Lin. Lin indeed confirmed about the Black Cloaks, Wei Yenwu's wetwork squad, but Swire suspected that Lin was involved in the demolition of the slums. In return, Lin told her and the L.G.D. not to interfere in this matter, saying that she was "removing those which Lungmen doesn't need," confirming that Lin was involved in carrying out the massacre. Lin Yühsia is calm, cool, collected and merciless when provoked. Lin Yühsia is a Zalak woman, she has pink rat ears atop her head, pink hair, pink eyes, pale skin, and a pink rat tail that comes out from her lower back. Lin Yühsia dresses in a black dress that has a button up top, with purple accents, black stockings and black heels. Lin Yühsia is fluent in and will add words of Mandarin, which is called Yanese in her speech when she speaks. While giving instructions to his Shadow Guards, Wei mentioned that the Rat King would likely oppose his plan to "clean up" the slums from the Infected, but reassures that it won't matter since it is "what must be done."

During the pursuit of the retreating Reunion forces in Lungmen's slums, Ch'en talked to Swire about the possibility of a massacre in Lungmen's slums. However, the latter denied it by saying that the Rat King is ruling over the slums in a fair, benevolent way. Later, when Ch'en asked whether she had met the Rat King before, Swire noted him to be a kind, nice person.

Without the Rat King's knowing, Yühsia had been working together with the Shadow Guards to (apparently) facilitate the Infected massacre.

Lin has 7 years of combat experience, more then enough to defend herself or go on the attack. Lin prefers to use her Arts to make sword of glass to protect herself, but Lin can also use her Arts to use glass like a projectile weapon, launching tiny and sharp bits of glass at her enemy.

Lin detests the Infected, seeing them as nothing more then dirt underneath her shoe. "Infected" is an epithet used to refer to individuals who are suffering from Oripathy. It may be used as a derogatory term in certain cases. Ursus is infamous for its persecution of the Infected, being the worst among all nations. The government has enacted various pogroms, carried out the Imperial Army, which includes enslaving Infected in Originium mines, placing them in concentration camps, and exterminating them upon discovery. The Infected have become scapegoats, used by the government to distract the public from Ursus' military failures and the ongoing power struggle within the palace. Oripathy, also known as Multiple Originium Infection Syndrome or Stone Disease, is a progressive, terminal "disease" caused by direct or prolonged exposure to Originium.

Individuals with Oripathy are referred to as the "Infected".

Lin does not have Oripathy, nor is she Infected.

Lin is working with Wei, the executive director of Lungmen as a whole to purge the Lungmen slums of the Infected.

Reunion is currently attacking the city as well, The Reunion Movement, commonly known as Reunion is a paramilitary social movement of the Infected which seeks to end all forms of discrimination and oppression by Terran society against them. A radical Infected organization, Reunion rallies around the cause of Infected nationalism, rejecting racial and national identities. They aggressively push for acquisition and exploitation of Infected power. Reunion uses violence in their push for justice, having gone so far as to destroy an entire city, Chernobog, an Ursus Nomadic City.

Lungmen is an autonomous region of Yan, located between Kazdel and Ursus. A prosperous, advanced nomadic city, it is governed by the Yan imperial family member Wei Yenwu and acts as a "special economic zone" with greater autonomy such as a largely independent government and economy, making it more progressive and open to foreign influences than Yan. Lungmen's prosperity and economic prowess is shown by their currency, Lungmen dollar (LMD), which is widely used in international transactions across Terra. In adition, Lungmen is also the youngest administrative district within Yan —under the administrative code 0019.

Lungmen's urban planning is based surrounding the Central Business District (CBD) located on the city's downtown area, above the artificial river that spans across the city. A series of expressways encircling the downtown area connect various nodes within Lungmen. On the other hand, Lungmen's treatment towards the Infected is known to be harsh, though not to the same degree as the neighboring Ursus; prior to Reunion's invasion, the majority of the Infected Lungmenites were confined into slums where they live in lower standards than the rest of the Lungmenites. The situation has improved since with the slums now developed and integrated to Lungmen's downtown.

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