Here is the full list of all 37 Ori and the Will of the Wisps achievements. It takes around 30-35 hours to unlock all of the achievements on Windows.
Complete the Game without Dying
Defeat Mora Without Taking any Damage
Complete the Game in Under 4 Hours
Complete Hard Mode
Beat the Game Without Equipping a Shard
Beat the Game Without Spending any Spirit Light
Avoid Touching any Corrupted Water
Complete the Game
Defeat Shriek
Upgrade all Abilities
Defeat 3 Enemies with a Single Spike
Find all Collectibles
Upgrade all Shards
Complete all Wellspring Glades Projects
Complete every Side Quest
Defeat the Willow Stone
Buy all Maps from Lupo
Complete the Trade Sequence Quest
Max out Life
Unlock all Abilities
Max out Energy
Escape the Ruins
Complete all Spirit Trials
Fend off Kwolok
Defeat Kwolok in Under 2 Minutes
Unlock all Shards
Escape the Avalanche
Defeat 5 Enemies Without Touching the Ground
Upgrade all Shard Slots
Complete all Spirit Shrines
Fend off Mora
Clear the Watermill
Reach the Wellspring Glades
Juggle 3 or More Projectiles in the Air for Over 5 Seconds
Defeat the Horn Beetle
Defeat 10 Enemies using Environmental Hazards
Fend off Howl