Here is the full list of all 47 Vigil: The Longest Night achievements.
Reach maximum value of Arcane power
Reach maximum value of Throwing power
Complete all skill trees
Complete the sword skill tree
Complete the axe skill tree
Complete the dual weapon skill tree
Collect all furniture
Collect all arcane items
Distribute the placebos to the Villagers in town
Beg to Drew 5 times
Help Thurber W. Sungi's investigation
Get at least one of every weapon in game
Get at least one of every equipment in game (including rings)
Wake Daisy's soul inside the Devourer
Defeat Light Devourer
Stop the crazy Doctor
Forge 5 weapon/equipment enchanted and reach to +7
Complete the bow skill tree
Complete the survival skill tree
Give Isabella the ball
Defeat the Evil inside the wood
Followed Hilda's words to relieve the seal
Don't shake it anymore!
Give the Cubic Crystals to the Doctor
Complete the Mysterious Trader's request
Help August during his adventure
Defeat Dephil
Defeat The North Princess
Defeat Uptancos
Defeat Lord of the Misty Lake
Pass Sister Holly's test
Collect all 7 lost paintings
Help James to find the salt
Save all miners then talk to Edward
Complete Noax's request
Defeat Erupting Flesh Cluster
Find the Golden Slime
Find Hamilton's belongings
Buy Buffe's house
Defeat Kelpie, the Lord of Tide
Get the Fallen Eyeball from Hilda
Help Daisy to get the medicine
Defeat the Ancient Guard once
Complete Duran's quest
Defeat Brood Mother
Defeat the Craving Terror outside the town
Welcome to the world of Vigil: The Longest Night!