FireblasterII

Throw a Dog a Bone In Blood of the Dead, feed a wolf head from the Gondola, Citadel, and Model Industries in a single game

Smooth Operator Defeat Oz in Descent.

Work Hard Plague Hard Use Alex's Biohazard - Epidemic to buff 4 creatures with infections in a single match.

Why wasn't this standard issue? Fully upgrade all non DLC Weapons and Stratagems.

Getting Serious Upgrade a Workshop station to level 2.

Mrs. Pilsen's Remorse You found Emily's doll hidden in each of the 10 challenges

Objectively Good Capture an objective, build both fortifications and unlock both perks

Project Arena Unlock a new arena pack.

Nah, I'm Good. Reach round 7 without anyone opening a door in Descent.

Frontline Offensive Win 25 Multiplayer Matches

We Didn't Need a Bigger Boat Complete Escalation and Disruption in Co-Op Campaign

Trial of the Empress Even Ground on: slay a level 16 or higher Fereldan Frostback.

Abandon Ship In Voyage of Despair, complete the Trial

Heart of Darkness Complete Inside and Distortion in Co-Op Campaign

Trial of Temperance Rest Easy trial always on in Emprise du Lion: claim Suledin Keep.

Destroyer Get 1000 Eliminations in Multiplayer

Worm for the Job Complete all Worm Ops missions.

Weird Flex but OK As Daniel, use Creature Cards that cost 4 or more Bio Energy units 4 consecutive times.

We've Only Just Begun In The Tortured Path, successfully escape from Into the Storm.

When the Explosion is Just Right As Alex, use Yateveo's Self Destruct to defeat 1 Survivor during a match.

Subzero Hero Obtain clothing to get a survivable temperature rating of -22°C / -7°F.

Minesweeper As Alex, use traps to defeat Survivors 4 times in a single match.

Expert Weaponsmith Upgrade a weapon to Tier IV.

Most Escape Alive In Blood of the Dead, escape

Silver bullet Obtain a silver medal in 10 different challenges

Interfectorem Draconis Kill the Red Dragon in the Upper City.

Assassin Vs. Machine You completed Train Runner before the train arrives at the station

Time's Up, Let's Do This! As Spencer, run out the clock and win a match while your Disintegration Field is active.

BlueGrass Is Still the Best Unlock all the Perks

No Going Back Be topside when the safe window closes.

One Punch Defeat Survivors using the Tyrant's Bull Rush 2 times in a single match.

The Bigger They Are… Complete Collapse and Fracture in Co-Op Campaign

Powerbuff Girl As Annette, have a creature with 3 buffs survive for 1 minute.

The Doctor is In Use PhD Slider to fall 10 feet and kill 10 zombies at once

Slaughterhouse Kill 50,000 total Enemies in MWZ

One Against All Kill Orcus while in a 6 person squad in MWZ

Death to Dictators Take down Castro with a headshot.

Das ist gut In The Shadowed Throne, find the Ubersprengen.

Abandon All Hope Rescue 4 survivors in a single game of Infection.

Hugs! Kill 20 enemies in a single burst of Explosive Touch in Carrier.

Zombie Fanatic In Blackout, unlock Bruno, Scarlett, Diego, Shaw, Dempsey, Takeo, Nikolai and Richtofen

Right of First Defusal Defuse 5 gas bombs in a single match in Carrier.

Trial of the Magician Travel Light on for "In Hushed Whispers": finish the quest.

Take Off, Hoser! Ride Chompy for 5 minutes in a single match in Carrier.

Infernal Jungle Collect 10,000 Aberrant Cinders in Nahantu Helltides.
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Ready For Action Complete the Multiplayer Training Course in Black Ops 7

Rival Crusher Earned Gold in all Mission Challenge races

Prison Break Complete Quarantine and Suppression in Co-Op Campaign

Telefragathon Telefrag 50 enemies in a single match in Carrier.

Sacrifice Ensure your squad escapes safely from Cuba.