A/N: This was written as the basis as a response to the Twisting the Hellmouth Challenge #6382: The Quest. While this is yet another X-Over fic idea by yours truly, this is my first official foray into Buffy-verse fanfiction.
Dossier: The Immortal
Name: Alexander "Xander" Harris
-Small Arms/Tactical Expert
-Oldest Known Living Human in the Galaxy
-Guards Something Known as "The Key"
His exact age is unknown, however he is reported to have graduated from High School in 1999, placing his approx. year of birth in 1981, making him approx. 204 years old. It is unknown at this time how it he came across his enhanced longevity, especially living in pre-Mass Effect Earth Society when most humans only lived between 70-80 yrs. Despite his advanced age, he appears to be approx. between 30-40 years of age. Due to past military engagements, it is uncertain if he is capable of dying.
Notable History:
-Survived the Collapse of Sunnydale, CA, USA
-Was part of Jon Grissom's initial exploration team
-Fought in the Siege of Shanxi during the First Contact War
-Fought and Survived the Battle of Torfan
-Fought in the Battle of the Citadel
Known Aliases:
-The White Knight
-The Heart
-Mr. Fury
-The Last
-The Guardian of The Key