Skulltrasher

B.O.T. Find the Good in the Prototype

Leaving a Fine Lookin' Fossil Hold a 'Proud Hero' pose to your demise, dressed in an Excavator outfit

Sweet 16 This is proof that you've achieved the Stack 16 bonus skill, the highest echelon of Stack bonuses. Whether this is the end or just the beginning is up to you.

Booked Eelagon! Booked Eelagon in the Bestiary.

Novice Blacksmith Forged something at the blacksmith.

Beyond the Threshold of Death Achieve victory with just 1 HP remaining.

Viktorious Revenge In Gorod Krovi, complete all solo Trials in one Zombies game.

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

Objectives Complete II: The Completionist Complete all bonus objectives

The Full Cavity Treatment Complete all 3 Track Challenges on any track

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

Small Consolation In Shangri-La, use the 31-79 JGb215 on each type of zombie.

Cold Hearted Complete No Negotiation without saving any hostages.

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

Blackjack Subtle Evaded vault security in Chateau Haine. ("Mark of the Assassin" downloadable content)

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

Hemophobic Complete a Vampyre mission without any hero gaining Bleed from a Vampyre Bite.

Window Shopping Let the wind take you through

Silver bullet Obtain a silver medal in 10 different challenges

Doll Collector Find the Alma Doll on every Mission

Slaughterhouse Kill 50,000 total Enemies in MWZ

Desecration Destroyed all graves in "Frontier Crypt"

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

Infernal Jungle Collect 10,000 Aberrant Cinders in Nahantu Helltides.
0/100

Secret spotter Collect all the skittles in one level

Web of Defeat In Zetsubou No Shima, remove webs in every possible way in one game.

Time Attack In Gorod Krovi, complete Time Attack: Round 20.

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.

Ready For Action Complete the Multiplayer Training Course in Black Ops 7

Prison Break Complete Quarantine and Suppression in Co-Op Campaign

Soul Fulfilled Player level reached maximum.

Quelled Kokabiel Defeat Kokabiel and her spawn in the sacred En II Sanctuary.

Coup De Gracie Use Junker Queen’s Jagged Blade and Carnage to pull and kill an enemy in Quick or Competitive Play.

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

Under Pressure Complete Breakpoint and Containment in Co-Op Campaign

Bested the Worst This is proof that you've defeated a certain powered-up "someone". Nothing more can be said, nor does it need to be.

Overachiever In Origins, complete all 4 Challenges in one game.

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.

Nightmare to Dreams Complete the Black Ops 7 Co-Op Campaign

Desert Spear Assassinate Sheikh Shaheed.

Goblins Defeat 500 Goblins

Illithid Enclave Complete the quest: Illithid Enclave

Glamor Shot Get featured in the Best Play 3 times

A Sharper Sword Upgraded equipment at the blacksmith.

Devils Defeat 500 Devils

Telefragathon Telefrag 50 enemies in a single match in Carrier.

Sanctified Finish the game in Hard Mode

Chasing the Game Lured and killed an alpha wyvern near Chateau Haine. ("Mark of the Assassin" downloadable content)