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