Quick answer
Find the first skull on a small bridge near cryopod barrels, second in a left-side armory, third inside the cockpit after returning from the bridge, and the terminal in a left-side room during Cortana’s dialogue sequence.
Guide briefing
Halo Campaign Evolved: Pillar of Autumn Skulls and Terminal Guide
Find the first skull on a small bridge near cryopod barrels, second in a left-side armory, third inside the cockpit after returning from the bridge, and the terminal in a left-side room during Cortana’s dialogue sequence.
Applies to
- — Halo Campaign Evolved
- — Pillar of Autumn mission
- — Collectible hunting
- — Skull and terminal collection

Target
First Skull
- Checkpoint
- After skipping tutorial, exiting cryopod
- Landmark
- Small bridge near cryopod barrels
Do this
- 1After skipping the tutorial by pressing triangle, turn around out of the cryopod.
- 2Jump up on the nearby barrels to reach the small bridge.
Confirmation
First Skull is available as described. The first skull is placed high on the bridge and is easily accessible immediately after exiting the cryopod.

Target
Second Skull
- Checkpoint
- After Marines take over, entering next room
- Landmark
- Small armory with barricade
Do this
- 1Continue forward after the Marines take over and doors open.
- 2Enter the small armory on the left side of the room and look up to find the skull on top of the shelf.
Confirmation
Second Skull is available as described. The second skull is positioned above the armory entrance, requiring no special maneuvering beyond walking forward and looking up.

Target
Third Skull
- Checkpoint
- After returning to bridge and accessing cockpit
- Landmark
- Cockpit area
Do this
- 1After the cinematic, turn around and head back to the bridge.
- 2Enter the cockpit area where the third skull is located on a console inside.
Confirmation
Third Skull is available as described. This skull is found inside the cockpit, which becomes accessible only after returning to the bridge post-cinematic.

Target
Terminal
- Checkpoint
- During Cortana dialogue sequence
- Landmark
- Room with glass barrier and Cortana dialogue
Do this
- 1When Cortana’s dialogue begins (after the glass barrier), instead of heading straight toward the objective, take a quick left.
- 2The terminal is located in that left-hand area, just off the main path.
Confirmation
Terminal is available as described. The terminal appears during the scene where Cortana explains the attack; it is not interacted with during gameplay but is a collectible item.