Quiet (Metal Gear)
Story and gameplay
Speaking to Code Talker in Navajo, Quiet reveals that Skull Face intended to use her against Venom Snake and his army by having herself be captured so that she could be taken to Mother Base and infect everyone with the English-language strain of chord parasites that she had been given. Quiet was further subjected to "parasite therapy", whereby parasites were introduced to her body to keep her alive after she was set on fire. It also gives her enhanced strength, mobility and speed as well as inhuman resilience, durability and recovery abilities. Unlike the Skulls unit of parasite-enhanced soldiers encountered through the game, Quiet retains an outwardly-human appearance. Due to her injuries, the parasites compensated for her burned epidermis, giving her the ability to 'breathe' through her skin, requiring her to wear as little clothes as possible, as covering her skin would suffocate her. However, her time spent with Diamond Dogs made her genuinely change sides and she retained her silence to prevent an infection. After a second parasite outbreak occurs on Diamond Dogs' base due to a mutation, Quiet disappears into Afghanistan, realizing that she could never guarantee the safety of Diamond Dogs. Believing that she has betrayed them, Venom Snake follows to investigate. Snake helps her fight off a Soviet regiment, but she is forced to speak English to save him when he is bitten by a venomous snake. Quiet disappears to avoid causing another epidemic; walking alone in the desert, her fate is unknown.
Quiet (Metal Gear)-5