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Resonance Complete Chapter 8

Death it sowed Complete Chapter 7

Cannon fodder Lure a Brute into killing 1 soldier while in a rage

Skilled maneuverer Stun 3 enemies at the same time using the skill Echo's Return

No holds barred Stun 20 enemies with throwables
20/20

What Lies Beneath Complete Chapter 6

Close call Survive the creature by a hair's breadth 5 times
5/5

Desolation it wrought Complete Chapter 5

Untouchable Successfully parry 6 attacks in a row

From hell it rose Complete Chapter 4

Overboard Kill 20 enemies by pushing them down a drop
20/20

Returning the favor Kill an Archer with a throwing knife

Those before us Complete Chapter 3

Sea you later! Say hello to the turtle
1/1

REMIX! Complete a Remixed Mission.

Beat the Drop Complete a Remixed Mission without dying.

Like Old Times Complete Two Betrayals with the Speed Limit, Endurance Spec, Hip Fire, and Armistice Skulls enabled.

Even Tempered With the Temperamental Skull activated beat Halo without upsetting anyone.

Felons Complete Chapter 2

Sharp enough for you? Kill 25 enemies with a critical strike
25/25

Theater enthusiast Watch the entire puppet show at the carnival

Blood ties Complete Chapter 1

A Working Man Completed all of Salieri's Jobs

The Usual Suspects Collected all of the Wanted Posters

Stuntman Completed all the Stunt Jumps in Free Ride

The Challenger Completed all of Salieri's Challenges, earning at least a medal in each.

A Friend of Ours Completed Man of Honor

Against All Odds Completed Man of Honor on Classic difficulty

Snapshot Enzo had his photograph taken by Isabella

Hot Streak With the Floor Is Lava Skull activated beat a mission without jumping or dying.

Frugal Fire Equip Famine, Recession, and Johnny Ammo Tree Skulls and beat a mission without running out of ammo.

Food Critic Listen to the Thirsty Grunt talk about his eating habits.

Jiralhanae Conservationist On The Most Dangerous Game don’t kill any rampaging Brutes.

Arm's Length On 343 Guilty Spark complete the first floor without taking a hit.

New Whip Hijack 10 Vehicles.
100/100

That’s My Ride On Assault on the Control Room get to the Banshee before the Elite.

Map Quest Complete The Silent Cartographer without shooting, using grenades, melee, dying, or restarting.

This is My Ship Now Eliminate Captain Keyes and trap his six avenging Marines in the Autumn’s observation pen.

All Shield, No Yield Complete any level on Heroic difficulty or higher without taking health damage.

Personal Space Complete Heavy Burden.

Parting Gifts Find all skulls and terminals in Heavy Burden.
100/100

Headhunter Collect all 39 Skulls.
100/100

Collector’s Addition Find all skulls and terminals in the game.
100/100

Lore Have Mercy Activate all 13 Terminals.
100/100

Tiger Company Complete The Most Dangerous Game.

Brute Loops Find all skulls and terminals in The Most Dangerous Game.
100/100

Bad Gas Destroy 100 Grunt backpacks.
100/100

Before the Fall Complete Boarding Action.

Plate Tectonics Break off 25 Hunter backplates.
100/100

Souvenirs Find all skulls and terminals in Boarding Action.
100/100