Here is the full list of all 41 Kena: Bridge of Spirits achievements. It takes around 15-20 hours to unlock all of the achievements on Windows.
Reach the Mountain Shrine.
Defeat Corrupted Toshi.
Find all of the Rot.
Deliver all Spirit Mail.
Open all Cursed Chests.
Meditate at all Meditation Spots.
Collect 50 Rot Hats.
Find Toshi's Harpoon Relic.
Restore all of the Flower Shrines.
Find Toshi's Village Crest Relic.
Find Toshi's Incense Relic.
Destroy 3 enemies with a single dash attack.
Learn the Dash Ability.
Defeat the Corrupted Woodsmith.
Find Adira's Village Heart Relic.
Find Adira's Hammer Relic.
Capture a picture in Photo Mode.
Find Adira's Ox Relic.
Hit 3 critical hit spots in 3 seconds.
Discover the Farm.
Destroy an enemy by shooting a Bomb out of the air.
Destroy a Moth enemy with a Bomb.
Learn the Bomb Ability.
Defeat Corrupted Taro.
Hit 3 enemies with a single Multi-shot.
Find Taro's Lantern Relic.
Destroy a Mage with its own bomb.
Hit 3 Enemies with a single Rot Infused Arrow.
Find Taro's Food Offering Relic.
Find Taro's Knife Relic.
Learn the Bow Ability.
Use 5 Rot Actions in a single combat.
Destroy a Shield Sticks without breaking its shield.
Discover the Forest.
Destroy 3 enemies with a single Parry.
Restore a Flower Shrine.
Discover the Village.
Find the first Rot.
Defeat the Corrupted Rot God.
Unlock all ability upgrades.
Beat the game on Master difficulty.