The back story of the drow sole survivor might involve their tribe. Maybe there was a great war or disaster in the drow community. The survivor could have been outcast or left alone due to political intrigues within the drow society. They might have had to fight against all odds to stay alive, facing not only external threats but also the distrust of other races because of the drow's general reputation for being sly and untrustworthy.
The male sole survivor in Fallout 4 is a complex character. He has lost his family and is thrust into a post - apocalyptic world filled with danger. His journey is not just about survival but also about finding a new purpose. He has to deal with various factions, each with their own agendas. His skills can be developed in different areas like combat, crafting, and diplomacy, which makes his character very versatile in the game's mechanics.
In a 'sole survivor novel', one key feature is the exploration of guilt. The sole survivor might feel guilty for being the one who lived while others perished. Another aspect is the rebuilding of identity. They are no longer just part of a group but are now a lone entity, and they have to redefine themselves. Also, there is often a sense of mystery as to why they survived when others didn't.