Here is the full list of all 57 Ori and the Blind Forest: Definitive Edition achievements worth 1,250 gamerscore.
Visited 100% of the map
Found all secrets
Killed 5 enemies using Charge Dash
Found the lost corridor in the Misty Woods
Killed 5 enemies with Charge Jump
Killed 50 enemies with Light Burst
Killed 100 enemies with Charge Flame
Killed 50 enemies with Stomp
Restored all Map Stones
Collected all Energy Cells
Collected all Health Cells
Earned all Efficiency Skills in the Ability Tree
Saved at every Spirit Portal
Uncovered the mysteries of Naru
Earned all Utility Skills in the Ability Tree
Activated 3 torches using Light Burst
Crushed a Ram with a Stomper
Escaped the Boulder in Black Root Burrows
Collected 200 Energy Shards
Completed the game
Reunited with Naru
Completed the game on Hard Difficulty
Restored the Element of Warmth
Killed 500 enemies with Spirit Flame
Entered Mt. Horu
Killed 4 enemies simultaneously using Charge Flame.
Obtained the Sunstone
Found 50% of all secrets
Escaped Kuro
Restored the winds of Nibel
Killed 25 enemies using Bash to reflect projectiles
Tricked 5 enemies into killing another enemy
Cleared the Misty Woods
Bashed off enemies 10 times in a row without touching the ground
Restored 50% of all Map Stones
Escaped the rising waters of the Ginso Tree
Restored the heart of the Ginso Tree
Created 50 Soul Links
Caused an enemy to destroy itself
Entered the Ginso Tree
Rescued Gumo
Discovered Gumo
Opened 5 shortcuts using the Charge Flame
Met the Spirit Tree
Restored your first Map Stone
Used your first ability point
Found your first secret
Completed the Prologue
Earn all Combat Skills in the Ability Tree
Earn all skills in the Ability Tree
Juggle a rock 5 times without it hitting the ground
Kill 3 enemies without touching the ground
Finish the game in under 3 hours
Double Jump 5 times consecutively without touching the ground
Complete whole game without dying
Complete the whole game without using an Ability Point
Complete the game on One Life Difficulty