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