Quick answer
Obtain the terminal at mission start behind spawn, then collect four skulls: first via banshee to spire top, second near rubble in open snow area with ghost, third after activating secret terminal near center pillar, and fourth in final room after clearing three enemy-filled chambers.
Guide briefing
Two Betrayals Skulls and Terminal Guide for Halo Campaign Evolved
Obtain the terminal at mission start behind spawn, then collect four skulls: first via banshee to spire top, second near rubble in open snow area with ghost, third after activating secret terminal near center pillar, and fourth in final room after clearing three enemy-filled chambers.
Applies to
- — Halo Campaign Evolved
- — Two Betrayals mission
- — All skull and terminal collectibles

Target
Terminal
- Checkpoint
- Start of mission
- Landmark
- Behind player spawn
Do this
- 1Turn around immediately after loading into the mission.
- 2Interact with the terminal located directly behind the player.
Confirmation
Terminal is available as described. This is the first collectible in the mission and must be obtained before proceeding.

Target
Skull
- Checkpoint
- Multi-layered spire courtyard
- Landmark
- Ground level snow area near banshee spawn
Do this
- 1After reaching the multi-layered spire courtyard, run along the right side.
- 2Grab the banshee from the lower area, then fly to the top of the spire and land near the edge to access the skull in the snow.
Confirmation
Skull is available as described. This skull is located at the highest point of the spire, accessible only by flying a banshee to the edge.

Target
Skull
- Checkpoint
- Ghost route to rubble
- Landmark
- Rubble pile in open snow area
Do this
- 1After reaching the open snow area with a ghost, take the ghost around the right side.
- 2Drive past the rubble and locate the skull just to the right of it.
Confirmation
Skull is available as described. This is the second skull and appears early in the second half of the mission, after completing the initial courtyard combat.

Target
Skull
- Checkpoint
- Secret door activation
- Landmark
- Center pillar between quest objective and spire
Do this
- 1After reaching the dead end near the mountain, acquire a second banshee.
- 2Fly to the center pillar, activate the secret terminal, then fly to the unlocked door on the opposite side of the radar arrow.
- 3Enter the three-room sequence, clear all enemies in each room, and proceed to the skull in the dead center of the third room.
Confirmation
Skull is available as described. This skull requires completing a multi-room enemy-clearing sequence and is the final collectible in the mission.