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