You pick them up. The skulls can promote life or ammo. They can also make it harder to hurt enemies but if you kill the enemies with the skull you can unlock glitches and other weird stuff.
Skulls house brains.
because skulls are awesome!
There are no skulls in Halo Reach.
you can get all of the skulls on multiplayer. =)
They use skulls as a side of the darkness
They are skulls. idiot.
The Book of Skulls was created in 1972.
Soft Skulls was created in 2007.
The Skulls was released on 03/31/2000.
The Production Budget for The Skulls was $15,000,000.
Skulls of the Shogun was created in 2012.
Skulls of the Shogun happened in 360.