Here is the full list of all 24 Spirit of the North achievements. It takes around 8-10 hours to unlock all of the achievements on Windows.
While in Spirit Form; step on a pressure plate, an unstable platform, and walk on water
Locate and greet all Spirits in the Spirit World
Fill the night sky with Aurora Borealis
Make it out of the Spirit World
Awaken all 28 Shaman Spirits
Match 12 sets of Revolving Matching Glyphs
Destroy 18 Plague Tethers
Stay airborn for more than 8 seconds using jump-gates or geysers
Find and light all 8 types of carved Ancient Murals
Unlock Spirit Dash Ability
Collect 50 Spirit Bloom
Destroy 8 Plague Tethers
Awaken 12 Shaman Spirits
Infuse 30 Standing Stones
Cause the Wisp chirp 100 times
Unlock Spirit Form Ability
Destroy 3 Plague Tethers
Unlock Spirit Bark Ability
Collect 25 Spirit Bloom
Carry a Shaman Staff for 3 minutes
Awaken 5 Shaman Spirits
Become Infused with Pure Ancient Energy
Stand still for 3 minutes
Awaken the Spirit of the North