Here is the full list of all 135 Lootun achievements.
Defeat the Skeleton King
Refill a Flask
Defeat the Vampire Lord
Defeat the Cockatrice
Defeat the Living Monstrosity
Defeat the Jungle Dragon
Defeat the Frost Giant
Defeat the Phoenix
Fully upgrade the Barracks
Defeat the Stone Behemoth
Defeat the Goblin Mage
Fully upgrade the Profession Hall
Equip a Mythical Item
Defeat the Orc Chieftain
Defeat the Spider Queen
Defeat the Skeleton Juggernaut
Defeat the Goblin Brute
Raise a Character to Level 100
Raise a Skill to Mastery Level 20
Raise a Character to Ascendancy Level 50
Loot or Autosalvage 10K Equipment
Loot or Autosalvage 500 Mythical Items
Salvage or Autosalvage 20K Items
Equip a Gem
Complete a Gem Set Bonus
Defeat 5K Bosses
Reach Expertise Level 50 with a Map
Defeat the Arachnadroid
Default the Prime Evil
Defeat the Pestilence
Defeat the Runic Lord
Defeat the Lord of Fire
Defeat the Lord of Ice
Defeat the Lord of Thunder
Defeat the Eldritch Abomination
Defeat the Dragon Emperor or Empress
Defeat the Abyss Walker
Obtain 1B Gold Coins
Obtain 10M Donation Credits
Obtain 250K Rubies
Obtain 15K Soul Orbs
Craft 100 Items
Reroll the attributes of an Item 500 times
Randomise the attribute ranks of an Item 250 times
Lock an attribute 25 times
Upgrade an attribute 1000 times
Apply 50 Enchants to Items
Loot 40 Enchant Recipes Scrolls
Craft 14 Flasks
Gather 1M Materials from Professions
Allocate 200 Community Upgrades
Loot or Autosalvage 1000 Tools
Loot of Autosalvage 25 Mythical Tools
Fully upgrade the Scrapper
Fully upgrade the Blacksmith
Fully upgrade the Mine
Fully upgrade the Forest
Fully upgrade the Farm
Fully upgrade the Armoury
Fully upgrade the Alchemist’s Hut
Fully upgrade the Community Project
Fully upgrade the Gemcutter’s Cabin
Fully upgrade the Artisan’s Hall
Fully upgrade the Ancient Reliquary
Fully upgrade the Map Room
Fully upgrade the Watchtower
Fully upgrade 15 Buildings
Obtain 90 different Materials
Slay 90 different Monsters
Loot or Craft 110 different Weapons
Loot or Craft 170 different Armours
Loot or Craft 40 different Accessories
Loot or Craft 25 different Offhands
Loot or Craft 18 different Gems
Obtain the Jewel Of The Empire
Obtain the Heart Of The Abyss
Complete 500 Bounties
Reach Infamy Level 8
Obtain 5 different Bounty Enchants
Obtain 15 different Bounty Exclusive Items
Obtain 50k Favour
Reroll Bounties 25 times
Fully upgrade the Bounty Board
Fully upgrade the Castle
Fully upgrade the Keep
Equip a Paragon Item
Upgrade a Paragon Item to level 10
Complete 500 Agony Missions
Complete 100 Agony Missions at Agony Level 10
Obtain 250 Bonus Chests from infusing Agony Missions
Loot or Auto Scrap 100 Soul Tools
Loot or Auto Scrap 25 Mythical Soul Tools
Obtain 60 different Agony Mission Exclusive Items
Obtain 4 different Agony Mission Enchants
Fully upgrade the Domain of Agony
Fully upgrade the Fortress
Reinforce an Item to Level 10
Equip a Divine Item
Loot of Auto SCrap 35 different Divine Items
Complete 100 Faction Dungeons
Fully upgrade the Warcamp
Reach Hero status with the Dwarven Rebellion
Reach Hero status with the Riverfoot Clan
Reach Hero status with the Elemental Conclave
Reach Hero status with the Druidic Council
Grant an Item the Blessing of 4 different Factions
Complete 100 Raids
Complete 10 Unique Heroic Raids
Fully upgrade the Expedition
Fully upgrade the Grand Expedition
Fully upgrade the Hidden Vault
Upgrade a Unique Item to Rank 4
Loot or Auto Scrap 25 different Raid exclusive Divine Items
Fully upgrade the Item Vault