Here is the full list of all 43 The Pathless achievements.
Collect all achievements.
Survive 3 storm encounters unscathed.
Reach the highest updraft above the mountain.
Run with 6 animals.
Find all the lore of the Pathfinder's story.
Chain 10 skill shots in a row.
Drift 300 meters down a river.
Slide 400 meters down a steep slope.
Fall 150 meters without gliding and land hard.
Complete the game and view the credits.
Witness the extended ending.
Collect the gift from every spirit.
Obtain the Gift of the Bear Spirit.
Cleanse the Mountain Tundra.
Collect all the lightstones.
Collect all the Bear lightstones.
Get 10 flaps.
Reach the observatory.
Fly for over a minute without touching an updraft.
Obtain the Gift of the Snake Spirit.
Collect all the Snake lightstones.
Discover 45 lanterns.
Cleanse the Great Plains.
Complete the puzzle at the Bathhouse.
Obtain the Gift of the Lizard Spirit.
Collect all the Lizard lightstones.
Discover 45 lore messages.
Discover 30 lanterns.
Reach the old fortress.
Cleanse the Redwood Steppe.
Discover 30 lore messages.
Complete the puzzle at the Textile Workshop.
Bounce an arrow off two mirrors.
Discover 15 lanterns.
Obtain the Gift of the Elk Spirit.
Shoot 1,000 talismans.
Collect all the Elk lightstones.
Cleanse the Forest Plateau.
Shoot 5 talismans while airborne before touching the ground.
Pet the eagle 4 times.
Discover 15 lore messages.
Complete the puzzle at the Monastery.
Reach the mainland.