CorruptedNazgul

Dressing Overall Equip new cosmetics in each of the Jackdaw's vanity slots

Total protonic reversal Complete Return to Hell on any difficulty.

I've Got This Acquire all upgrades

Iron Mode Complete the game in Iron Mode.

Small and Lethal Unlock all Sidearms

You know you're REALLY Insane, right? Complete the entire main campaign on Authentic Plus difficulty

Give Them Something to Believe Complete New Game Plus

None more hard Complete the Campaign on Nightmare difficulty.

Better Safe Than Sorry Unlock all Secondary Weapons

Better than the Best Complete the entire campaign on Authentic Plus difficulty with no manual saves

Break a Leg Fend off a menace from above in Mission 05 as Nero, Dante, or V.
0/1

Light in the Darkness Clear Mission 08 as Nero, Dante, or V.
0/3

Collective Madness Add one of each ship class to Kenway's fleet

Honorary Member Reach Isle of Sgàil Mastery Level 20.

Tie Dye Outfit Dye all 4 unique pieces of Leather Armor.

Tourist, Shivering Isles Entered the Shivering Isles

Return The Favor Dash ram a ramming Brig

Not Just a Cave Place 5 Props or Trophies in the Batcave
3/5

Pied Piper of Squirreldom Have 5 squirrels following you around at the same time

Get him! Win a Quick Race on a track in the Batcave (not unlockable in Split Screen).

Nightwing Revenge Obtain 78 medals on the original Arkham City and Nightwing Bundle Pack ranked maps (as Nightwing)

"I own the place." Purchase all Batcave Expansions
1/5

Robin Revenge Obtain 78 medals on the original Arkham City and Robin Bundle Pack ranked maps (as Robin)

Untouchable Complete SAM'S STORY on Normal or higher difficulty without dying in Batwing encounters.

The Dynamic Duo Complete Chapter Three

"Let's see what Batgirl can do!" Unlock Batgirl

Call me Terror-Billy! Beat the game on "Call me Terror-Billy!" difficulty or higher

Tough luck, chum! Complete Ragnarök - Part I on any difficulty.

Collecting Evidence Roll the camera over 20 degrees in Photo Mode

Echolocation Feed a dolphin raw cod and have it lure you to treasure.

Rank - Expert Builder! Collect 80 Gold Bricks

Call of the Void Complete Ragnarök - Part II on any difficulty.

Closing the Experiment Log Earn ALL of the platinum Flashback Relics

Cowardly and Superstitious Lot Defeat every type of enemy once

Sail the 7 Seas Visit all Ocean Biomes.

Buy Low, Sell High Trade for the best possible price.

Flying Paintbrush Splat a seagull with the paint-ball gun while it's mid-flight

This Ain't Over Clear Mission 10 as Nero, Dante, or V.
0/4

"You're becoming quite a celebrity." Discover 100 open world events
32/100

A Grayson Graduation Unlock Nightwing

Taste the Rainbow Have a food dyed for each available color in the dropper

An Endless Winter Complete Chapter Four

Aspirant, Shivering Isles Reached Aspirant Rank in the Court of Madness

One Trick Pony Finish a Contract using only sniper rifles

Gun-kata Use pistols to kill four enemies in a row within five seconds

Desert Storm Complete Zindah Province at the Highest Difficulty in a single playthrough

Trumpet Trunk Trumpeter Play the trumpet to an Elephant

Me Gold! Dig up a buried treasure. [Bedrock Only]

Campaign Nightwing Obtain 114 medals on the original Arkham City and Nightwing Bundle Pack campaigns (as Nightwing)

Campaign Wonder Obtain 114 medals on the original Arkham City and Robin Bundle Pack campaigns (as Robin)