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