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