User blog comment:Captain Sans Nightmare/Requiem?/@comment-28713855-20160206041306/@comment-27318396-20160206041812

okay, elder scrolls is a RPG series. Skyrim, is about a dragonborn, one who can kill dragons and absorb their souls, is destined to defeat Aludin, the main antagoinst, there's many quests to do, and one of them is the dark brotherhood, which you are the listener, who, is the only one who can hear the night mother's voice, who she hears the black sacraments and gives contracts to you.

So, you should read this, since this is dark brotherhood related http://elderscrolls.wikia.com/wiki/Dark_Brotherhood_(Skyrim)#History. Read the whole page. K, it'll make sense.