Here is the full list of all 21 Evergarden achievements.
Find the Keeper
Create a winged rabbit
Complete a daily mosaic
Energize 3 pillars of light
Create a winged armadillo
Create 3 patterns at the same time
Score 80,000 Points
Create 2 patterns at the same time
Energize 2 pillars of light
Create 50 monoliths
Create a tier two monolith
Energize a pillar of light
Find a hidden gem
Score 40,000 Points
Create 4 patterns in one turn
Create 5 patterns in one turn
Awaken Aquila
Remove a pest through friendship
Connect two monoliths
Activate a monolith
Score 20,000 Points