Mission 05 collectibles | Updated August 1, 2026
Assault on the Control Room Skulls & Terminal
Use this focused route for all 4 collectible locations in Assault on the Control Room: 3 hidden Skulls and the Tangent I Terminal.
- Mission
- 05 Assault on the Control Room
- Skulls
- 3 IWHBYD, Angry, Cowbell
- Terminal
- 1 Tangent I
- Checklist
- 4 Saved on this device
- First stop
- IWHBYD Skull
- Last stop
- Cowbell Skull
- Route style
- Interior detour / Terminal scan / Combat detour
- Most careful pickup
- Cowbell - High care
Pickup order
Follow these four stops in mission flow.
Open a stop to jump straight to its route, image, and checklist control.
Visual route atlas
Match each stop by sight.
Preview the route landmarks before opening each detailed pickup card.
Walkthrough timeline
Four stops, image first.
A compact walkthrough lane for players who want the next landmark before the full card.
Step 01 | Interior detour | ModerateIWHBYD SkullIn the open tank section with a narrow bridge over the chasm, clear the Covenant and cross the bridge. Turn left at the snowbank, climb onto the Scorpion, and sprint-jump into the small ice recess.
Step 02 | Terminal scan | QuickTangent I TerminalIn the large icy ravine used by the Scorpion, find the tall metal structure at the fork in the route. Enter from either side, go up the interior slope, and turn right.
Step 03 | Combat detour | QuickAngry SkullOn the approach to the Control Center Ziggurat, locate the three metal arches in the valley beside the route forward. The skull is on top of the farthest arch.
Step 04 | Vehicle route | High careCowbell SkullAt the bridge where Cortana tells you to take a Banshee, look over the right edge. Drop onto the narrow slanted support and move beneath the bridge to the skull.Quick table
Mission collectible table
Scan this mission's names, route types, and effects before following the image route.
| Collectible | Mission | Route type | Care | Effect / note |
|---|---|---|---|---|
| IWHBYDSkull | 05 - Assault on the Control Room | Interior detour | Moderate | Changes combat dialogue. |
| Tangent ITerminal | 05 - Assault on the Control Room | Terminal scan | Quick | Lore terminal |
| AngrySkull | 05 - Assault on the Control Room | Combat detour | Quick | Enemies fire their weapons faster and more frequently. |
| CowbellSkull | 05 - Assault on the Control Room | Vehicle route | High care | Objects have less mass and are displaced more easily. |
Mission 05 | 3 Skulls + 1 Terminal
Assault on the Control Room collectible route
Skull1 of 3 hidden Skulls in this mission
IWHBYD Skull
Route
In the open tank section with a narrow bridge over the chasm, clear the Covenant and cross the bridge. Turn left at the snowbank, climb onto the Scorpion, and sprint-jump into the small ice recess.
Open frameShow approach frame

Terminal1 Terminal in this mission
Tangent I Terminal
Route
In the large icy ravine used by the Scorpion, find the tall metal structure at the fork in the route. Enter from either side, go up the interior slope, and turn right.
Open frameShow approach frame

Skull2 of 3 hidden Skulls in this mission
Angry Skull
Route
On the approach to the Control Center Ziggurat, locate the three metal arches in the valley beside the route forward. The skull is on top of the farthest arch.
Open frameShow approach frame

Skull3 of 3 hidden Skulls in this mission
Cowbell Skull
Route
At the bridge where Cortana tells you to take a Banshee, look over the right edge. Drop onto the narrow slanted support and move beneath the bridge to the skull.
Open frameShow approach frame

Cleanup plan
Before leaving the mission
Use this quick pass after the last pickup, especially in co-op or when you loaded from a rally point.
- Reach a checkpointAfter collecting a Skull or Terminal, continue until the next reliable checkpoint before quitting or changing platforms.
- Use mission selectMissed pickups can be cleaned up later. Open the mission route, jump to the nearest rally point when available, and follow only the remaining entries.
- Track by nameIf the game menu does not show a chapter-by-chapter tracker, compare the collectible names on this page with the names already unlocked in your profile.
- Confirm co-op creditIn co-op, have the progression owner lead the fireteam and verify the pickup registers before leaving the session.
Verification desk
Names, effects, and routes checked against released-game sources.
The mission route is independently rewritten around recognizable landmarks. Official Halo sources set the Skull names and effects; IGN, PowerPyx, PC Gamer, and Push Square provide additional route-order cross-checks.
Assault on the Control Room collectible questions
How many collectibles are in Assault on the Control Room?
Assault on the Control Room has 3 hidden Skulls and one Terminal, for 4 collectible locations on this page.
Can I return to Assault on the Control Room for missing collectibles?
Yes. Use mission select to revisit the mission, then reach a reliable checkpoint after collecting the missing item before leaving.
Do collectibles work in co-op?
Yes, but the fireteam leader controls the active mission state. Confirm the pickup registers before moving on.