a large open cave. We need to clear it of all enemies to create a landing zone. As you exit the tunnel, note that covenant and Promethean forces are now working together! Kill the knight and 5-6 grunts in front. Move into the main part of the cave and you will see a watcher, a couple of knights and a good number of jackals and grunts. Once you have killed a few of the baddies here, a couple of phantoms will show up and drop off some additional covenant grunts and jackals, additionally a couple of extra knights seem to appear at this point too. Now all we need to do is simply clear the area until a friendly ship shoes up. Run over to it and wait until a scene plays. Part 3: The Gun Show From the start, run down the hill to the right and jump into the scorpion tank. After entering the tank, continue forward in the direction the tank is facing and use the tank shells to deal with any bad guys that get in your way. We're essentially going to follow the linear path through covenant lines until we reach an open area. Make sure to destroy any ghosts that approach and destroy the wraiths in your path as well, you can also blow up all the the sniper hover towers along the way if you are into that kind of thing. Once you reach the tunnel leading down, cruise to the bottom and