Here is the full list of all 16 Element Quest achievements.
Skipped an Item Roll
Get to use the fairy wings
Beat all of the bosses in the: Sunset Port - Wilderness Expedition
Reach level 10 with the Fire, Water, Earth and Wind classes!
Answered correctly on ALL of the potential questions in the Wizard's Quiz
Reach level 10!
Enter Sunset Port Tavern's private room with friends.
Enter an expedition as the highest level with at least 3 level margin.
Revive a player during an expedition!
Decline a party invitation.
Beat the expedition 20 times!
Equipped the rare (and somewhat unattractive) 'Alpha Pro Hat'
Consume a carrot!
Works in the shadows
Managed to Slay the Dark Tower Lord!
Slay 100 Puff-Bunnies!