The Hero, having collected The Seven Talismans of Boss Defeat, travels to the Inconveniently Crumbling Temple of Death and defeats the Quirky Miniboss Squad for the last time. Finally, he and his party destroy the Big Bad and the credits roll...
WHAT DO YOU MEAN, THERE'S ANOTHER GREAT EVIL?!
Extended Gameplay is whenever some sort of bonus story or challenge exists even after you've wrapped up [...] [tvtropes.org]