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Somewhere Over the Rainbow Collect 25 Rainbow Stars from the Mystery Portal

Maxed Insanity Defeat the Mad Axeman.

Skull Finder Collect all crow skulls in the fields

Old moss-head Defeat Aul' Saul

Honed to Perfection Fully upgrade a weapon.

Sigils Are Not Enough Pick up a star.

The Bigger They Are... Be the David to Dhor's Goliath (i.e. kill the big guy)

Whale Shark Rider Ride a whale shark.

Dan the Invincible Finish a level outside of Dan's Crypt and Gallowmere Plains without taking damage.

Trading Up Completed Bizarre Bazaar with at least 1 life remaining.

Wildlife Expert Unlock 20 Hunter's Guide entries for gatherable wildlife.
13/20

Challenge Completed Complete all Mission Challenges in the campaign.

Cleanse the Shadow Tundra Return all water to the Shadow Tundra.

Archelon Rider Ride an archelon.

Final Promise Reaffirm your Oath

Gunpletionist Complete the Mastery Challenge for all weapons.

Critical Hit! Complete the Seta River Killers

Don't Keep the Man Waiting Clear a stage with a 10 minute time bonus or higher in Jack's 55th Birthday.

Blaze of Glory Achieve 39 Stars in Riddler AR Challenges
18/39

Shared Triumph Defeat a boss alongside a co-op partner.

Whack-No-Worm Defeat the Boss Worm without defeating any Small Worms.

Grateful Eight Complete a mission with each of the original Cleaners.

Sovereign - Zhang Xianzhong's Obsession Defeat Sovereign - Zhang Xianzhong's Obsession

Waking up the Neighborhood Start the Sleeping Village level.

High Flyer Go for a nice walk with Abelard the Gargoyle

Creation of the Stars Complete Chapter 3 of the main story

Become The Hunter Kill 12 enemies in a Hunted encounter in No Return

Real Achiever Collect ALL the other trophies!

Skull Hobbyist Find all crow skulls in the ancient mines

Ain't no rest for the wicked Clear away all those headstones cluttering up the graveyard

DetermiNation Complete three different weekly missions

Forbidden Valley Shell Collector Find all the secret shells in the Forbidden Valley.

Space-man's Best Friend Beat any level with the help of your trusty space-pet.

Strategic Specialty Reach the maximum Level for one Class

Supremacy Complete the "Glory and the Taking of It" quest.

I Hope You Gorge Yourself Start the Pumpkin Gorge level.

Smooth Operator Slide a total distance of 500 blocks on ice.

Red Carpet Get featured in the Best Play 3 times in Multiplayer

Gold, Silver, and... Pick up 100,000 electrum

Hunter Defeat 40 Mid-Bosses

Die By the Sword Complete World of Tomorrow.

Berserker Perform a Greatsword Weapon Technique 100 times

Secret Watch secret film

Hunger Killer Solve world hunger (by killing Gluttony)

Becoming Na'vi Unlock 3 skills in each skill tree.
9/15

The Venom Connection Equip 3 pieces of the Tier 1 Bane Infamy Set

Forever Stay in the shade

You'll Float, Too Reach the end of the vortex like a paper boat down a drain

The Worst Achievement Possible Get on Santa's Super-Duper-Duper-Naughty List

Dune Raider Reveal all undiscovered areas in Dubai.