The Gravemind — Halo 3 Walkthrough

Navigate the Gravemind's prison in Halo 3's 'Cortana' mission. Survive Flood waves and psychological warfare while managing resources to find your way through.

The Gravemind is not a combat boss in the traditional sense, but rather a strategic encounter where you must navigate its labyrinthine prison and survive its psychological warfare. During the 'Cortana' mission, you'll be trapped within its clutches, facing endless waves of Flood forms while trying to locate Cortana. The challenge here is resource management, knowing when to run, and when to fight. The environment itself is a hazard. Focus on finding Cortana and escaping, rather than trying to clear every Flood form. Use the Shotgun and Flamethrower effectively.

• Resource Management: Ammo and health packs are scarce; conserve them.
• Prioritize Objectives: Your goal is to find Cortana, not to clear every Flood.
• Run and Gun: Sometimes it's better to bypass Flood encounters if possible.
• Close-Quarters Weapons: Shotgun and Flamethrower are essential for the tight corridors.
• Environmental Awareness: Watch out for exploding Flood forms and environmental hazards.
• Patience: This section can be frustrating; take your time and learn the patterns.