Headmaster

Headmaster

100

Halo Infinite

Headmaster is an achievement in Halo Infinite. It is unlocked by completing the campaign on Legendary difficulty with all skulls active, unofficially known as Mythic difficulty. This achievement awards the player 100 Gamerscore.

v • d • e Achievements in Halo Infinite (list)

Customization	Which One of Us is the Machine? • Passion for Fashion • "Need a Weapon?" • That Thing on the Left is the Brake • Reporting for Duty • I'm Ready, How 'Bout You?

Challenges	Humble Beginnings • Battle Tested • Clocking In • We Have a Job For You • Limited Addition

Miscellaneous multiplayer	You're Up, Rook' • All About the Grind • Get the Popcorn • Customary • Getting Strong Now • Sparring Partners • Sharpshooter • Deadeye • Augmented • Doing Your Part • Just the Two of Us • Make a Little More Noise • Greased Lightning

Multiplayer	Peak Performance • Slaying with Style • Back to the Chopper • New Kid on the Block • Party Bus • Watt Say You? • Peeker's Disadvantage • Brutality • Sick Burn • Kebab • Skyhook Shot • Working Remote • Secret Stash • Bomb Returned • Do You Even Gift? • Multi-class Racer • They See Me Rollin' • One Shot, Top Mid • Enemies Everywhere! • Natural Formation Location Sensation • A Fellow of Infinite Jest • Running Laps • Zone Ranger • MEDIC! • Control Freak • Straight to the Bank

Campaign	First Contact • Together. Again? • Ascension • Zeta • Fallen • Unearthed • Hunter. Killer. • Pelican Down • One Down... • Gun Runner • Brothers Grim • Light the Way • What Will it Take? • Hear These Words! • Together. Again. • Reckoning • Legends • Too Many Goodbyes • Set a Fire in Your Heart • Bare Your Fangs • Fight Hard, Die Well • A True Test of Legends • Headmaster • Wanna Have a Catch? • Wait, I Can Throw Those? • Forza Veloce • Passing the Gas • Bring Sheila Home Safely • Whip-Riding the Ghost • Takes One to Make One • Wars with Friends

Equipment	Reaching Out • Those Wonderful Toys • Evasive Maneuvers • Thrusters On Full • Run Rabbit, Run • Grab Some Cover • Impervious • Aegis Fate • Visionary • Big Brother • All-Seeing I • Getting Defensive

Collectables	Dispatches From the Front • Canon Collector • Two Sides to Every Story • Know Your Enemy • Infinity Down • Rubicon Protocol • Eld Aficionado • Haruspis • Money in the Bank • Armory Amore • Hidden Experience • Mjolnir Master • Who is Max Valor? • Headstrong • Catacomb

Secondary missions	We're On Our Way • No One Left Behind • Reclaimer • Resurgency • Outpost Discovery • Bunker Buster • Nosebleed • Headhunter • Bloodstars' Bane • Please Shut Up • Off the Air

Mission replay	Mix Things Up • Stick Around • Rapid Unscheduled Disassembly • Out with a Bang • Workplace Safety Violation • Conservation of Momentum • It Really Does Beat Everything • Vintage Fisticuffs • Spire Stalker • Turnabout is Fair Play • More Than He Bargained For

Co-op	What's Rightfully Ours • Wardens of Zeta • First Responders • Hunting Party • Air Raid • Cow Catcher • Gruesome Twosome • Keep It Steady • Rolling Thunder • Inseparable • You, Me, Same Page • Controlled Demolition • Wolves at the Doors

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