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