Cool Story Bro
Cool Story Bro is an achievement in Halo: The Master Chief Collection. It is obtained by finding and listening to the Final Grunt in Halo 3 's level Halo.
Trivia
- The achievement's name is a reference to the meme of the same name.
Cool Story Bro is an achievement in Halo: The Master Chief Collection. It is obtained by finding and listening to the Final Grunt in Halo 3 's level Halo.