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