Arijain

Dead Silence Kill a Siren before she screams

Freeflow Bronze Achieve 8 medals on combat challenges

Our Men Complete Hill 493.

Weapons Specialist Fully Upgrade All Stats Of Any Weapon In Campaign Mode

Subterranean Research Collect all Collectibles in the Foundation
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The Doctor Complete level 'The Doctor'

Ultra Hard Completed Completed a New Game+ playthrough on Ultra Hard difficulty.

Living Failures Defeat the failed attempts to become Great Ones.

Drift King Perform a 180 powerslide with Dominus or Takumi

Worst Christmas Ever Complete Battle of the Bulge.

Mad Scientist Play a complete match in 3 different Rocket Labs Arenas

Lady Maria of the Astral Clocktower Defeat Lady Maria of the Astral Clocktower.

Left Wing, Right Wing Win a Snow Day match with both the Blue and Orange teams

No Sacrifice Too Great Complete Ambush.

Puzzler Rescue the third hostage from Riddler

Gadget Attack Use 5 different Quickfire gadgets in one fight (any play mode)

To the End Complete the campaign.

Common Courtesy Discover and complete all unwritten tales on Iki Island.

Stone Cold Pinkerton Completed the Main Campaign on Hard difficulty or above.

Predator Silver Achieve 16 medals on predator challenges

Mr Perky 5 Reach level 5 on any perk

Infinite Power! Activate every power-up in Rumble mode

Orphan of Kos Defeat Great One: Orphan of Kos.

Team Player 1 Win 1 Survival multiplayer match

Aggravated Assault Stop all assaults in Arkham City

An Inch and 6.2 Miles Drive 10 km with the Vortex, Cristiano, or Spinner Wheels

Cursed Gold Achieve 5 Gold Awards.

The Start of a Legacy Discover the truth about Darius's past.

Laurence, the First Vicar Defeat the beast that was once Laurence, the First Vicar.

One Shall Stand Vanquish Adjudicator without having him fall down

Fully Loaded Collect all of Batman's gadgets and upgrades

Budding Artist Collect a Painted Item

Natural Progression Win an Online Match with Backfire, Scarab, or Zippy

Three Holy Hideaways Unlock 3 Heat-Clearing Priests by completing Encounters.

Team Play Kill an enemy with a headshot while they are being harassed by Senu (The Hidden Ones)

50x Combo Complete a combo of 50 moves (any play mode, any character)

Prison Break Free 20 Rebels (The Hidden Ones)

The Patriot Complete level 'The Patriot'

Predator and Prey Kill all of the Ancients in the Order of the Hunters in Makedonia.

Goodie Monster Find all the Evidence Collectibles.

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

Seeing Red Kill 10 enemies using the Fury of the Bloodline Ability.

Old Hunter's Essence Acquire all old hunter weapons.

Hope Springs Eternal Completely liberate Insula Fonte.

I Got Your Back Heal a teammate with the Syringe

Nether Say Die Completed Chapter 1 of Episode 2

Lone Lion Kill the Makedonian lion.

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

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

The Power of Bavarium Complete Story Mission: A Long and Dangerous Road.