A long adventure story is a narrative that follows a protagonist on a lengthy journey. It often involves a series of obstacles and challenges that the protagonist must overcome. Two words that can be used to describe a long adventure story are 'EPIC' and 'SAGA'. An EPIC is a long narrative poem or story that typically recounts the heroic deeds of a legendary or mythological figure. A SAGA is a long, involved story or series of stories, usually involving heroic deeds and adventures.