This page contains Halo 3 Hints for Xbox 360 called "Grunt Birthday Party Skull" and has been posted or updated on Sep 27, 2007 by K-Shells. Let us know what you think of this Hint by thumbs voting.
Grunt Birthday Party Skull
Immediately after the first objective of the "Crow's Nest" mission, while en route to the barracks you will fall down to a pipe. Get to the end that pipe. Look over the edge to find a small space a few feet below. Drop over then quickly pull back to land under the floor you dropped from. The skull will be at the end of this area. When this skull is active, headshots will cause enemies to explode.
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