Seattle based Spiderweb Software today releases Avadon: The Black Fortress 1.0.1, a free upgrade to the Macintosh Indie fantasy role-playing game. Avadon: The Black Fortress is an epic adventure in a strange and dangerous world. You are a spy and warrior, tasked to fight the enemies of your homeland. As a servant of the Black Fortress, your word is law. Gain great power and battle a conspiracy to destroy your people. This upgrade fixes a number of irritating bugs, balance issues, and typos.