Here is the full list of all 156 Lost Ark achievements.
Earn 100,000 or more Silver with a single sale
Use a healing potion with 1 HP left
Feel five essences of Taoist energy hidden across Shangra
Earn exactly 777 Silver from dropped loot
Clear 20 Abyss Raids without using Battle items
Equip Relic-rarity tools for all six Trade Skills
Defeat Field Bosses: Chuo, Vulkan, Casrick, Maneth
Reach PvP Extreme 10
Reach Combat Lv. 60
Enter a secret dungeon in a 4-person party
Discover Pirate's Peg Leg
Throw 100 commemorative coins in Atropos
Discover the Burning Ice
Unlock all of your Stronghold
Participate in a Guild Raid
Earn 500 Cooperation Bonus Points yourself
Defeat Field Bosses: Black Chicking, White Chicking, True Batuark, Gorka Grosse, Savnak, Erasmo
Clear a Cube Stage as the last surviving player
Defeat Field Bosses: Rudric, Salt Giant, Roblom, Wili-wili, Caspiel
Reach PvP Tier 10
Clear a Guardian Raid without anyone in your party dying
Track 400 waypoints on Secret Maps
Collect a Diamond Chest from Cube (normal)
Reach Manor Level 5
Enter 200 Ghost Ships
Use a mining bomb and fail to blow up any ore 100 times
Clear Boss Rush Stage 1
Collect a Diamond Chest from Dimension Cube (normal)
Collect a Diamond Chest from Elite Cube (normal)
Destroy the huge golden peach in Shangra
Win 500 matches in the Proving Grounds
Take Selfies in Yozmund, Distorted Island, Phantom Island, Phantomwing Island, Shadow Moon Market, and Shangra
Take Selfies on Goblin Island, Island of Mist, Medeia, Lush Reed Island, and Asura Island
Participate in a Guild PvP match
Eavesdrop on hushed whispers exchanged in Shadow Moon Market
Reach item level 1300
Take Selfies in Argon, Sunflower Island, Liebeheim, and Island of Azure Wind.
Drink handcrafted beer until you get drunk
Complete all Co-op quests in Gesbroy
Take Selfies on Aiwana Island, Peyto, Gravis, Lagoon Island, Revelry Row, and Gesbroy
Take a screenshot on Starkeep Island
Feel ten essences of Taoist energy hidden across Shangra
Trade a map for the first time
Trade 200 maps
Complete Dispatch missions at SS 50 times
Solve the mysterious murder case in Feiton
Collect 30 Torches scattered throughout Werner's Grand Manor
Complete 100% all Adventurer's Tomes
Pick 500 Mokoko Seeds
Buy 7 Legendary items from the Wandering Merchant
Fuse Gems into Lv. 5 or above 100 times
Complete the Platinum Field alone
Complete 100% of Adventurer's Tome: Yorn
Complete a dungeon with a guild member
Find an item after a humpback whale jumps 77 times
Contribute to a Guild's weekly income
Join a guild
Follow Armen's Tracks
Clear a Cube stage with less than 5% HP left
Kill 240,000 monsters
Salvage treasure 500 times
Complete 100% of Adventurer's Tome: Rohendel
Resurrect after being dead for 4 minutes
Pick 4000 mushrooms
Clear Twilight Chapel within 11 minutes
Clear a Chaos Gate without dying
Defeat Tarsila
Successfully dismantle 30 Legendary or better items
Clear 50 Guardian Raids by singlehandedly inflicting at least 50% of the damage it takes to clear
Clear 500 Guardian Raids
Inflict at least 75,000 damage in a single battle
Throw a machete and hit prey while Search is active 15,000 times
Spend 1,000,000 Silver repairing gear
Clear 100 Chaos Gates
Clear a Chaos Gate in a group of 30
Kill Vrad
Attack an enemy while disguised as a prisoner
Complete 100% of Adventurer's Tome: Shushire
Defeat Gold Chicking in Alaker
Try smelting 1,000 times
Reach Hunting Lv. 50
Reach Item level 575
Recruit 60 crew members
Reach Fishing Lv. 50
Reach Mining Lv. 50
Reach Foraging Lv. 50
Complete 500 Daily Quests
Play Sheet Music 900 times
Give 200 Affinity gifts
Use 10 awakening skills
Complete 1000 Co-op Quests
Complete Co-op Quests with 15,000 players
Complete To the Nest quest in North Vern
Complete 100% of Adventurer's Tome: North Vern
Use Town Transportation in Stern, Changhun, and Vern Castle
Enter 200 secret dungeons
Die while riding a hover board
Complete the Heart of Sceptrum quest in Arthetine
Complete 100% of Adventurer's Tome: Arthetine
Equip an Ability Stone
Win the Anikka Tournament
Earn a total of 4,000,000 Silver by selling items
Complete 100% of Adventurer's Tome: Anikka
Repair 300 items at 0 durability
Get 30 Legendary items by crafting
Complete Peace of Mind quest in Tortoyk
Reach Excavating Lv. 50
Complete 100% of Adventurer's Tome: Tortoros
Use the Ship Horn 10 times
Find an island
Change a ship’s name
Enter a port
Make your maiden voyage on the Sea of Gienna
Reach Logging Lv. 50
Use 10,000 materials for item crafting
Play for 500 total hours with a character
Successfully facet 150 times
Open the 5 Doors of Choice at Lastra Forest
Complete 100% of Adventurer's Tome: East Luterra
Obtain your first Ark
Play an instrument for an Affinity NPC
West Luterra: Stop Scherrit's plan
Complete Crown of Lakebar quest in West Luterra
Obtain 200 treasure maps
Make 50 Exchanges with a wandering merchant
Find the wandering merchant
Kill 20 elite monsters
Learn 9 pieces of Sheet Music
Complete 100% of Adventurer's Tome: West Luterra
Collect 100 or more titles
Switch to Skill Tree Tier 3
Find the 5 secret locations in the Morai Ruins
Complete 250 Sudden Quests
Sell 20,000 items
Put 500 cards in your catalog
Activate 50 Triports
Complete 100% of Adventurer's Tome: Yudia
Apply 150 skill level changes
Perform 40,000 basic attacks
Meet a companion on your quest to find the Ark
Progress to an Advanced Class
Clear Chaos Gate without anyone dying
Collect a Diamond Chest from Cube (hard)
Collect a Diamond Chest from Elite Cube (hard)
Use the Portal in a legendary secret dungeon with no kills
Win in Team Deathmatch by at least 10 more kills than your opponent
Win in Team Deathmatch without losing any teammates
Win 200 duels
Win a duel by forcing the opponent out-of-bounds 100 times
Win 10 duels without taking any damage
Win 10 duels by forfeit
Opponent declines 25 or more duels
Reach Grandmaster in Competitive Match
Upgrade 5 ships to Lv. 10
[Team Elimination] Win 100 times
Singlehandedly eliminate all enemies in Team Elimination