final boss

Noun

 * 1)  An extremely powerful enemy that a player fights at the end of a campaign or story.
 * 2)  The best or ultimate example of something; an epitome.
 * 3)  An extremely difficult thing that one needs to finish or beat in order to complete some task.
 * 1)  An extremely difficult thing that one needs to finish or beat in order to complete some task.
 * 1)  An extremely difficult thing that one needs to finish or beat in order to complete some task.
 * 1)  An extremely difficult thing that one needs to finish or beat in order to complete some task.