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