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