The IWHBYD skull in Halo 3 is one of the last and it was definitely the last to get posted in all of the spoiler blogs and forums. Halo 3 Planet was the first site that I found to break the news about how to find the IWHBYD skull. Here is a link to their original post and an excerpt with the crux info: Skull Effect: Unlocks hidden dialogue throughout Halo 3’s campaign. Skull Location: The IWHBYD Skull has been found! After countless hours (ok, maybe not countless…) from the Halo3Planet...Read Full Story
Find the 13 Halo 3 skulls. Lists all of the gold skulls and silver skulls hidden in Halo 3. Get all of the skulls and you can use new armor permutations.