Info: The Pillar of Autumn: LASO (Legendary, All Skulls On).
Credits: 17777.
Scoring: Team.
Date: 9/11/11 18:00/6:00 PDT (may be delayed).
Game lobby: Campaign.
Time: You have 30 minutes to join, so don’t be late.
Trick/Tip 1: You can despawn the very first bastion of enemies (before you ride the mongoose through the grunts and scarabs) all you have to do is have your teammates stay back while you run past the enemies (tell them not to alert them it will make it easier on you) now to easily run past the enemies go down the dirt trail but be cautious! An elite with 4 grunts will be patrolling the path wait tor him to turn around and lead his squad down the hill under the bridge. After he does that run and hug the right side of the mountain getting to the shack next to the mongooses you can scavenge the shack for a health pack DMRs and quite a bit of rocket ammo. Next get on the mongoose and drive as if you were doing a solo run but turn back when you see the first drop pod drop with grunts in it. If for some reason the enemies did not despawn drive to where the first scarab lands then turn back for your teammates.
Trick/Tip 2: After your team jumps the bridge on your mongooses run to the left side of the battle field and jump on the shack then jump on the roof across (straight) ahead of you chuck a grenade killing the jackals and grunts on the other side.
For the sake of time for your team here is a video that shows all of my tricks except for trick 1. It is a person doing a solo speed run on the wekkly and it will help you tremendously. http://www.youtube.com/watch?v=bZAQDR0_ToE. There you go hope it helps!