you hav 2 get all the achievements even the xbox live ones
THey get you an achievement, and they get you the Hayabusa helmet.
find all 13 campaign skulls
The Skulls in Halo 3 were made to make the gamers time funner and more challenging they also act as an Armor Unlocker All of the Skulls get u the Hayabusha Helmet 9 Shoulders 6 Body I hope this helped alot!
There are no skulls in Halo Reach.
To Get the E.O.D Helmet You Just Have To Beat Every Level on Legendary or To Get HayaBusa get all the skulls.
Get 1000 gamerscore for specifically Halo 3. You also unlock the Security Helmet.
Some of the Halo 3 skulls do stuff. I got the skulls so that I could unlock the Hayabusa Helmet. Turbo-117 They areskulls found on various parts of the map and can do things for instance the grunt birthday skull makes confetti appear from grunts when shot
To obtain Hayabusa Powered Assault Armor, you must collect campaign skulls in Halo 3. To get the helmet, you must obtain all 13 skulls. For the shoulders, you must obtain 9 skulls. For the chest plate, you must obtain five skulls. For skull locations, see the following article: http://halo.wikia.com/wiki/Halo_3_Skulls
Search for Halo 2 skulls on www.youtube.com and there will be a selection of videos showing the wereabouts of the skulls or how to get them : )
They are skulls. idiot.
you can get all of the skulls on multiplayer. =)
You do not keep the skulls in Halo 2 they are a one level sort of thing.