faust (arknights)
A boss and NPC in Arknights encountered in Chapter 5 and 6. He is exceptionally skilled in crossbows.
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Faust, real name Sasha, was a homeless boy before meeting Eno, who soon wears the codename Mephisto. The two eventually meet the Reunion Movement and was welcomed by Talulah where he obtains his codename.
During Chapter 6, he makes his last stand against Rhodes Island and Lungmen joint operation while holding off the safety of Mephisto. He was ultimately killed in action.