Here is the full list of all 19 The Wild Eternal achievements.
Attune your compass to a distant waystone.
Slide safely for over 100 meters total.
Find a way into the cave.
Read 10 books/notes.
Read 10 Waystones.
Talk to 5 Fettered Souls.
Gather maximum fruit and moss.
Safely fall for over 100 meters total.
Run for 200 consecutive meters.
Walk for over 100,000 meters total.
Jump horizontally 20 meters or more.
Share food with an animal that already likes you.
Befriend a lot of rats.
Make a lot of oil globs.
Make a huge glob of oil.
Teleport a lot.
Harvest moss from every crystal.
Sit with the bears.
Jump with the pogostags.