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