Nier has many traditional characteristics like self sacrificing, hard working, values life. The problem is he never stops to consider a perspective beyond his own on things. At times, he has a homicidal tendency, that's shown as Neir believes Shades are monsters, the classic the hero defeats the villains small squeaks. He's also rather selfish in a sense, offering to sacrifice himself to resurrect his comrades. Yonah, his sister, is suffering from the Black Scrawl, the cure is the Lunar Tears. 