Guide directory

Mission walkthrough

Halo Campaign Evolved: The Maw Legendary Walkthrough

A complete 10-target walkthrough for the final mission of Halo Campaign Evolved on Legendary difficulty, guiding players through survival, combat, system overrides, and escape.

Everything needed for normal use is written and illustrated below. The source video is optional verification, not a prerequisite.

Updated

10Illustrated sections
Step-by-step routeReading format

Quick answer

Complete the final Legendary mission by surviving the crash, disabling fusion reactors, uploading Cortana to halt self-destruct, and escaping before detonation.

Guide briefing

Halo Campaign Evolved: The Maw Legendary Walkthrough

Complete the final Legendary mission by surviving the crash, disabling fusion reactors, uploading Cortana to halt self-destruct, and escaping before detonation.

Applies to

  • Halo Campaign Evolved on Legendary difficulty
  • Final mission of the main story campaign
  • Players seeking a step-by-step guide for The Maw
Bridge area with terminal near main view screen
The Maw01 / 10

Target

Survive the initial crash and reach the bridge

Checkpoint
Reach the bridge after surviving the initial crash sequence
Landmark
Bridge area with terminal near main view screen

Do this

  1. 1Run forward from the start to the tunnel and kill the enemies.
  2. 2Drop down and eliminate all drones.

Confirmation

Survive the initial crash and reach the bridge is available as described. After clearing drones, beam weapons become available for subsequent waves.

Main corridor with multiple enemy spawn points
The Maw02 / 10

Target

Eliminate wave after wave of enemies using beam weapons

Checkpoint
Clear all enemies in the main corridor before reaching the next room
Landmark
Main corridor with multiple enemy spawn points

Do this

  1. 1Use beam weapons to engage and destroy incoming waves of enemies.
  2. 2Prioritize eliminating hunters and grunts with fuel rod cannons in the next room.

Confirmation

Eliminate wave after wave of enemies using beam weapons is available as described. After clearing the room, quickly grab a fuel rod cannon as more enemies spawn.

Terminal located beside the main view screen on the bridge
The Maw03 / 10

Target

Reach the bridge and upload Cortana into the control systems

Checkpoint
Upload Cortana into the control systems at the terminal next to the main view screen
Landmark
Terminal located beside the main view screen on the bridge

Do this

  1. 1Navigate to the terminal located next to the main view screen.
  2. 2Initiate the upload process to integrate Cortana into the ship's systems.

Confirmation

Reach the bridge and upload Cortana into the control systems is available as described. Cortana’s presence is required to override the self-destruct and allow escape.

Terminal in the bridge area with the monitor nearby
The Maw04 / 10

Target

Secure the terminal and activate the self-destruct override

Checkpoint
Activate the self-destruct override before the countdown completes
Landmark
Terminal in the bridge area with the monitor nearby

Do this

  1. 1Approach the terminal next to the main view screen.
  2. 2Upload Cortana into the system to gain control over the self-destruct sequence.

Confirmation

Secure the terminal and activate the self-destruct override is available as described. This action allows the player to stop the self-destruct and proceed to the escape phase.

Lifeboat station near the ship's exterior access junction
The Maw05 / 10

Target

Escape the ship before detonation

Checkpoint
Reach the lifeboat and create distance from the ship before detonation
Landmark
Lifeboat station near the ship's exterior access junction

Do this

  1. 1Head to the cryo chamber to access the engine room via that route.
  2. 2Proceed to the external access junction 4C and await extraction.

Confirmation

Escape the ship before detonation is available as described. Final escape requires reaching the launch base and boarding the fighter docked there.

Engine room with four fusion reactor cores
The Maw06 / 10

Target

Disable the self-destruct sequence by destroying fusion reactors

Checkpoint
Destroy all four fusion reactors to prevent detonation
Landmark
Engine room with four fusion reactor cores

Do this

  1. 1Head to the engine room and ascend to the second floor.
  2. 2Destroy the drive shafts and eliminate drones before targeting each fusion reactor.

Confirmation

Disable the self-destruct sequence by destroying fusion reactors is available as described. Each reactor requires an explosive—grenade or rocket—to destabilize the magnetic containment field.

Corridor with a hunter and final enemy group before the elevator
The Maw07 / 10

Target

Eliminate remaining enemies and reach the elevator

Checkpoint
Clear the corridor and reach the elevator leading to the final escape point
Landmark
Corridor with a hunter and final enemy group before the elevator

Do this

  1. 1Clear the remaining enemies in the corridor, including the hunter.
  2. 2Enter the elevator and prepare for the final confrontation with Banshees.

Confirmation

Eliminate remaining enemies and reach the elevator is available as described. The final escape involves evading two Covenant Banshees and rendezvousing with Fauxhammer.

External access junction 4C near the crash site
The Maw08 / 10

Target

Reach the external access junction and secure extraction

Checkpoint
Arrive at external access junction 4C and be picked up by Echo 419
Landmark
External access junction 4C near the crash site

Do this

  1. 1Move to the crash site and prepare for pickup at external access junction 4C.
  2. 2Wait for the signal from Echo 419 and confirm extraction readiness.

Confirmation

Reach the external access junction and secure extraction is available as described. Failure to reach the junction before the countdown ends results in mission failure.

Launch base with the long sword fighter docked
The Maw09 / 10

Target

Evacuate the ship and survive the explosion

Checkpoint
Board the long sword fighter and escape before the engines detonate
Landmark
Launch base with the long sword fighter docked

Do this

  1. 1Cross the gap using the ramp at top speed to clear it safely.
  2. 2Board the fighter and initiate takeoff before the 15-minute countdown ends.

Confirmation

Evacuate the ship and survive the explosion is available as described. The explosion generates temperatures of nearly 100 million degrees; do not remain on the ship.

Exterior of the ship as it explodes
The Maw10 / 10

Target

Complete the final cutscene and end the campaign

Checkpoint
Witness the conclusion of the mission and the fate of the ship
Landmark
Exterior of the ship as it explodes

Do this

  1. 1Observe the final events as the ship detonates and the crew evacuates.
  2. 2Confirm the completion of the mission by watching the ending cinematic.

Confirmation

Complete the final cutscene and end the campaign is available as described. The mission concludes with the destruction of Halo and the end of the campaign.

Optional source verification

The written guide is complete on its own. Open the original moving source only when you want to compare timing or motion.

Open source