Mitigation

Lord of Horror Defeat the Balrog.

Easy Come, Easy Go Acquire more than 15,000 Fleeting Echoes on a single attempt

Alter Ego Perform all big LEGO figure transformations

The Greater Good Complete Main DLC Quest "The Greater Good" (The Hidden Ones)

Polyamory Complete 5 quests in a single co-op game with the same 3 partners

Creator Build and save a level with the thermometer more than 30% full

Learning is Fun Complete Tutorial

The Dreamlife of Ghosts Completed “The Dreamlife of Ghosts.”

Blood of Leonidas Continue the bloodline.

Aurora Name the locomotive.

Biker Boy Get praised by Jessie at the end of the motorcycle mini-game.

The Operative Turn all of a Warchief's bodyguards (minimum 2) into spies, then confront him.

Don’t Go - Survivor Finish Left Behind on Survivor

Trespassing Complete all Quarantine Zones

Time for Rolling Cross the walkway through the Idol's volleys of arrows

Surgical Strikes Assasinate Tacito, Ptahmose and Ampelius (The Hidden Ones)

Peeress of Pull-Ups Complete all pull-up challenges.

Sonar So Good Defeated the Bringer of Nightmares at the bottom of the ocean.

Charted! - Crushing Finish the game in Crushing Mode.

Hooked on Delivering!? Deliver 700 items of cargo.
87/700

Purge Purify all the Haedir.

Legendary Pilot Complete the Campaign on Master

Just Beginning Complete all the main path story levels

Dr Frankenstein Create a living creature with at least 2 eyes, 2 legs or wheels, and a brain

Brother-in-Arms Vanquish Penetrator with Biorr

Walk in the Park Complete Mission 3 (Any Difficulty Level)

Into the Unknown Reach Villedor.

Walls of the Ruler Complete the Walls-of-the-Ruler citadel (The Hidden Ones)

Understood the Assignment Complete 9 Mastery Quests

Gallo Rivera Defeat Silver Six league boss 'Gallo' Rivera

A Cold Wind Blows Defeat Pei Pooh

Power Couple Send a Follower to support another Follower in a Nemesis Mission.

New Recruits Complete Side DLC Quests "Rise of Shaqilat" and "Shadows of the Scarab" (The Hidden Ones)

Cop Rank 10 Reach Cop Rank 10

Trial Run Complete a chronolith trial.

Oceancookie Tame an Epic mount.

Dark Lord Reach "The Dark Lord" ending.

Enchanted Weapon Acquire best wpn through enchanted reinfrc.

Fire on Water Set 10 enemy ships on fire.

Cold-blooded Simultaneously defeat three or more enemies frozen using Frostbite, Permafrost, or Diamond Dust (excluding battles in the Hall of Virtue).

God of War Complete Ares's Questline.

Making Friends Recruit an Operative in Campaign Mode after completing 'Reporting For Duty'

Disc Jockey Collect all music discs.

Unseen Assassin Assassinate a Target without getting spotted.

I'm a Runner and a fighter Complete 15 Agility or Power Challenges

Gladiator Obtain 12 000 points in the Kunlun Mountains mission in the Campaign

Apprentice Plumber Earned a silver medal or better in Endestria Energy Race II.

Fight at the Forum Participate in a fight at The Forum arena

I Totes Planned That Boss Slay Mister Boney Pants Guy.

Prizes, Plunder, and Adventure!  Win every trophy.