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