Biozis

For the greater good! Kill 5,000 enemies.

Had to Happen Fulfill any 15 Prophecies

Patriot Play at least 50 missions.

Campaign Bronze Obtain 36 medals on the original Arkham City campaigns (as Batman)

Master of Arms Fulfill the 'Master of Arms' Prophecy

Empire in Chaos Complete the game in high chaos

Honor Bound Bind a piece of gear to a class.

Hot Flashes Catch a Ghûl Matron on fire during the Lord of the Hunt campaign.

Science is done by quantity Extract with at least 15 common samples.

Succession Plans Break into Hell's Gate HQ and apprehend Two-Face.

Rare Collectible Equip a Chthonic Companion

Champion of Elysium Clear Elysium with the 'Extreme Measures' Condition

Great Outdoors Endurance Challenge: Survive for 10 days

Gold Revenge Obtain all 72 medals on the original Arkham City ranked maps (as Batman)

Perfect Freeflow 2.0 Perform a perfect combo including all of Batman's combat moves (any play mode)

The Cat Came Back Break into Riddler's secret hideout and exact your revenge.

Nyx's Mirror Have at least one rank in each Mirror of Night Talent

A Feast for Two Endurance Co-op Challenge: Eat the meat of 3 bears with your partner

Vacation Endurance Challenge: Escape the forest after surviving for 7 days

Tools of the Architect Choose 50 different Daedalus Hammer enchantments

All Snug in Their Beds Uncover the secret history of the park.

Hell of a Sheriff Complete the No Way Out scenario. (No training mode)

Faithful to the Abbey Side with the Overseers in the Dust District

Hold the Onions Clear an Infernal Gate without taking damage

Green Teen Finish Shadows of Rose on at least Casual difficulty.

Clockwork Collector Obtain numbered plates for 3 Clockwork Soldiers

Something From Everyone Unlock each standard Keepsake

A Hunter, Through and Through Find and kill all 4 rare spawns.
3/4

The Empress Finish the game with Emily Kaldwin

Eye of the Tiger Win 15 matches in Survivors.

Samples are a diver's best friend Extract with at least 15 rare samples from a mission as a team.

Ultimate Warrior Reach rank 20 with all roles.

Accessorize! Take the "accessories" from the kitchen

Scary Stories to Tell at School STU: Complete all newly-added side missions revolving around the school.

Great Haul Endurance Challenge: Escape the forest after surviving 10 days, with at least 10 Relics

I'm Floundering Up Here Listen to 25 fish jokes.
9/25

Weapon of Fate Clear an escape attempt with a hidden Weapon Aspect

The Team That Slays Together... Win 15 matches in Team Slayers.

Love Always Wins! Complete Episode 1: Number One Fan

Haste of Hermes Get 20% dodge chance with the Lambent Plume

Charted! - Brutal Finish the Game on Brutal Without Changing the Difficulty

Plain sight Enter the Lab X.

Cursed No More Purify a Cursed piece of gear.

The Flames Make It Go Faster Activate the Blazing Steed.

God Key Obtain the God Key.

The Useless Trinket Earn the first of Skelly's prizes

World's best Dad Meet up with your father.

Place of Three Deaths Kill Paolo three times

Well Versed Fully Unlock the Olympians' Codex entries

Sisters of Athena Endurance Co-op Challenge: Kill a combined total of 25 enemies in a single Expedition