BlackTweener

Like a glove… Finish trial #6 with 3 hearts left without picking up a spell.

The Big Chillhoof Defeat Chillhoof

That Party was Ace Ace every Adventure level in The Journey Home.

Head Trauma Use every type of melee weapon on a zombie

Skirmish - Chapter XIV Finish the levels from Chapter XIV in Squire difficulty

Nduja Gem Defeat Nesufritto.

Multikill! Kill 15 enemies simultaneously.

Don't burn yourself out Defeated the Keeper

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

Blue Trigger Gem Play lots of blue cards.

Into the Manse Entered the duke's manse.

Save some room Finish trial #20 one unit below the zapper.

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

Headshunter Defeated a hydra or archydra.

Tailor-made Chose a perfectly fitting armor

Blood Rights Kill Satan with Samson

Magnetic Gem Play lots and lots and lots of cards.

Unlock Library West Wing Complete Inlaid Library.

Easy Combo Gem Reach 5 Combo or above.

The Explorer Visited 150 locations.

Fivepeat This is your real power, child? Show me it's not luck by winning 5 Ranked Matches in a row!

Refund Gem Gain lots of Mana in a turn.

Solitude Obtained the almighty power of sovereignty.

Dommario Collect lots and lots of coins.

Closing the Experiment Log Earn ALL of the platinum Flashback Relics

Burning times Complete a level on Master difficulty without using bombs, overdrive or boost with a custom ship

Growth Gem Play Crown cards.

Sack the Postman Post all 6 invitations for the party.

Over The Top Play lots of Crawler cards.

Rainbow Gem Activate lots of Crawler trigger abilities.

Stardust Anvil Find the Stardust Anvil Relic.

Midas Gem Collect lots and lots and lots of coins.

Artful extraction Absorb your third Boss Stem Cell

The Philanthropist Gave 50 presents.

Real men don't need a map Just in case you picked up a shielding map

Finished, without fear. Finish the game with two Boss Stem Cells active

Pasqualina Reach Level 20 with Imelda Belpaese in Inlaid Library.

Peace Took refuge in an illusion.

Recycle Gem Have 8 cards in a Hand.

Rookie Mistake Make 10 misplays in a single Kaycee's Mod run.

The Veteran Defeated 3,000 enemies.

Mana Cost Gems Collect lots of Mana Orbs.

...Maybe One More. Duplicate the same item 7 times in a row with a 3D Printer.

Bloody Lust Kill Isaac with Samson

A Blank Card Kill Isaac with Eden

Boys Club Beat an Echo Six Expansion Pack mission with the 3 male characters in your party.

Purple Trigger Gem Play lots and lots of purple cards.

Psychological warfare Manipulated the Keeper's magic schools

Burning Inside Kill another player with Crucible in a Foundry Versus Match

Echo Gem Play lots and lots and lots and lots of cards.