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