Empherasu

Decked Out Find the full Dublin Champion armor set (Wrath of the Druids).

Teamwork Endurance Co-op Challenge: Warm up from freezing by standing next to a campfire lit by your partner

Talion A.D. Descend into the bowels of an urban jungle and confront a warrior-priest.

Friend to the Ring-bearer Speak with Frodo in Rivendell.

Speed Bumps Run over 500 characters in a single tank.

Hang 'em High! Kill 30 enemies while they're suspended in the air with the grappling hook.

Rolling Heavy Kill 5 enemies using one burst of Unstoppable Force.

Communication Skills Endurance Co-op Challenge: Kill 5 enemies that have been marked by your partner

Break of Dawn Discover the true nature of the Aurora device

Heavy and Frail Collect the Crystal Heart in Chapter 6

Chaotic Whispers Acquire 10 Caches of Chaos from the Tree of Whispers.
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Factory Complete Complete the factory.

Proto Tyrant Down Fight off the Proto Tyrant.

Competitive Nature Complete at least one match in each mode

Perfect Knight - Day 2 Complete every challenge in Arkham City - Main Story, Side Missions, Upgrades, Collectables, New Game Plus and Riddler's Revenge (as Batman)

Trick Arrow Skills Shoot a Lizard with a Special Arrow

Dockyard Discord Finish the Connection level in "Joe's Adventures."

I just love them! Win all the creatures

Frequent Flyer Awarded for discovering 40 different Zoom locations.

Return to Sender Completed Return to Sender.

Warp Mastery ME1: Use biotic Warp 25 times

Skelly's Last Lamentations Earn the second of Skelly's prizes

Principled ME1: Accumulate 75% of total possible Paragon or Renegade points

Harsh Conditions Fulfill the 'Harsh Conditions' Prophecy

Cycle of Blood Completed Chapter 12.

Gladiator school Survive 15 consecutive waves with each of the 4 characters.

Faster Than Light Achieve a 10x point multiplayer in "Jimmy's Vendetta".

Proto Tyrant Down Again Defeat the Proto Tyrant.

Alone Time Endurance Co-op Challenge: Spend at least one day more than 60 meters apart

Into the Abyss Withstand and overcome the Chaos invasion

Quiet and Falling Collect the Crystal Heart in Chapter 5

Saver Accumulate at least 100,000 lucre.

Benevodons' Return Complete Chapter 5.

Dweller of Woe Defeat the Dweller of Woe

Sorry, we’re DEAD In Shadows of Evil, kill 10 zombies that are inside of a store in one game.

Those Who Heed the Call Completed 50 requests.

Love Them and Leave Them Drive every Car

Troubleshooter Completed 5 types of Trouble Missions.

Barrier Mastery ME1: Use biotic Barrier 25 times

Thorn of Thanatos Get 30% bonus damage with the Pierced Butterfly

She's Worth It? Completed "Man On a Ledge."

On Leather Wings Get picked up by the Infected Bat.

No Show You died to helicopter blades on your first day on the job.

"Teamwork" Endurance Co-op Challenge: Collect an Artifact while your partner is down

Splinter Ray Go through "Mansion of the Deep" without crossing any light from a Dark Sentry or touching any laser

No More Running Complete Chapter 7 B-Side

Adventure's End Complete Chapter 6.

Reins of History Faced Doctor Cid.

Center of the Earth Complete Chapter 6 B-Side

How 'Bout a Light, Bud? Defeat Mimicry Marcus with a Molotov Cocktail or a Napalm Grenade.