Fight your way to Zavala to help him defend the plaza.
Go forward and over to the right through the open hallway.
Go up the stairs and head over to the right. You will find Shaxx who will be calling you over. He will open the door to his armory.
With the exotic weapon acquired, head for the back door between the weapon racks. Open it up and head on through.
Go on down the stairs and into the room beyond. You will find a pair of Legionaries.
Head on down the hallway beyond the room you arrive in.
This leads into the back portion of the hangar.
Go on up the stairs to the left
then turn to the right and take the stairs further up and then double jump to the top.
On the landing, turn to the left and follow the path on through.
Inside the next room you will come across a squad of Cabal.
Below you initially is a Centurion.
Just beyond that one, you will find another Legionary waiting for you.
Go through the door that they were guarding to reach a walkway.
Follow this walkway over to the right to reach a different part of the hangar.
Here you will encounter 3 Legionaries that will rush the Guardian.
Against the Centurion try to use a Solar Weapon to decimate its shield.
Go over to the right to trigger a Cabal Sphere come crashing in and reveal 3 more Legionaries.
Go to the ruined walkway and jump up to the doorway on the right.
Go on up the stairs and through the collapsed hallway to reach the plaza where Zavala is. Go to the left when you reach the first bend and then go to the right. Drop down through the holes in the floor.
This will lead you out to the Tower Plaza.
- The exotic was given during the Beta. To be confirmed if they are still part of the game after its official release.