Quick answer
Clear enemies to reach the bridge, lure and defeat the Sword Elite, hijack a Scorpion tank, open the tunnel door, clear turrets, cross bridges using rockets, and fly a Banshee to the control center entrance.
Guide briefing
Halo Campaign Evolved: Assault on the Control Room Legendary Walkthrough
Clear enemies to reach the bridge, lure and defeat the Sword Elite, hijack a Scorpion tank, open the tunnel door, clear turrets, cross bridges using rockets, and fly a Banshee to the control center entrance.
Applies to
- — Halo Campaign Evolved - Mission 5: Assault on the Control Room
- — Legendary difficulty only
- — Requires understanding of enemy placement and vehicle mechanics

Target
Reach the bridge and lure the Sword Elite
- Checkpoint
- Bridge entrance
- Landmark
- Bridge
Do this
- 1Clear enemies in the initial area to reach the bridge.
- 2Stick to the right side of the bridge, then move underneath to lure the Sword Elite.
Confirmation
Reach the bridge and lure the Sword Elite is available as described. Lights guide you toward the exit; use them for navigation.

Target
Defeat the Sword Elite and reach the elevator
- Checkpoint
- Elevator platform
- Landmark
- Elevator
Do this
- 1Lure the Sword Elite to the end of the bridge and engage in combat.
- 2After defeating the Sword Elite, run from the bridge to the elevator.
Confirmation
Defeat the Sword Elite and reach the elevator is available as described. The elevator leads to the next section; prepare for increased enemy presence.

Target
Respond to Fire Team Zulu's distress call
- Checkpoint
- Tunnel entrance
- Landmark
- Tunnel door
Do this
- 1Listen to Cortana’s transmission confirming Fire Team Zulu’s location.
- 2Prepare to assist by moving toward the tunnel entrance where the door is locked.
Confirmation
Respond to Fire Team Zulu's distress call is available as described. The tunnel door requires controls to open; locate them after clearing the area.

Target
Navigate the outdoor area and hijack a Scorpion tank
- Checkpoint
- Scorpion tank location
- Landmark
- Scorpion tank
Do this
- 1Move along the right-hand side of the outdoor area to avoid vehicle fire.
- 2Approach the Scorpion tank and attempt to hijack it if close enough.
Confirmation
Navigate the outdoor area and hijack a Scorpion tank is available as described. Hijacking the tank provides mobility and firepower; avoid direct engagement until safe.

Target
Clear remaining tanks and advance toward the tunnel
- Checkpoint
- Tunnel approach
- Landmark
- Tunnel entrance
Do this
- 1Use the Scorpion tank to destroy enemy vehicles and structures from a distance.
- 2Sweep and clear stragglers while maintaining tank integrity.
Confirmation
Clear remaining tanks and advance toward the tunnel is available as described. Take the rocket launcher but do not use it yet—it will be needed later.

Target
Open the tunnel door using its controls
- Checkpoint
- Tunnel interior
- Landmark
- Tunnel door controls
Do this
- 1Enter the ice cave and locate the tunnel door controls.
- 2Activate the controls to unlock the door and proceed forward.
Confirmation
Open the tunnel door using its controls is available as described. Heat warnings indicate active threats; stay alert for ambushes.

Target
Clear turrets and survive the tough section
- Checkpoint
- Turret clearance point
- Landmark
- Turret cluster
Do this
- 1Carefully eliminate all turrets in the area, prioritizing those with long-range capability.
- 2Watch your rear for enemies that may appear during the engagement.
Confirmation
Clear turrets and survive the tough section is available as described. There are four Phantoms, three Banshees, and multiple ground enemies.

Target
Reach the next room via elevator and avoid elites
- Checkpoint
- Next room entrance
- Landmark
- Elevator
Do this
- 1Exit the tank and enter the elevator to the next room.
- 2Avoid Elites in the room and sprint to the outside bridge area.
Confirmation
Reach the next room via elevator and avoid elites is available as described. This room is relatively quiet—use it to restock and prepare for the next phase.

Target
Cross the final bridge and kill cloak elites
- Checkpoint
- Final bridge exit
- Landmark
- Final bridge
Do this
- 1Cross the bridge by eliminating enemies as running past is impossible.
- 2Use remaining rockets to kill cloak elites at the end for an auto-save point.
Confirmation
Cross the final bridge and kill cloak elites is available as described. An auto-save triggers upon killing a cloak elite—use it strategically.

Target
Reach the control center entrance and prepare for final battle
- Checkpoint
- Control center entrance
- Landmark
- Pyramid structure
Do this
- 1Head outside and steal a Banshee to fly to the top of the pyramid.
- 2Use the Banshee to reach the control center entrance at the pyramid’s peak.
Confirmation
Reach the control center entrance and prepare for final battle is available as described. The objective lies behind the final door—prepare for full-scale combat.