Here is the full list of all 41 Kena: Bridge of Spirits achievements. It takes around 20-25 hours to unlock all of the achievements on Windows.
Beat the game on Master difficulty.
Unlock all ability upgrades.
Meditate at all Meditation Spots.
Destroy 3 enemies with a single dash attack.
Deliver all Spirit Mail.
Restore all of the Flower Shrines.
Find all of the Rot.
Collect 50 Rot Hats.
Open all Cursed Chests.
Reach the Mountain Shrine.
Defeat the Corrupted Rot God.
Defeat Corrupted Toshi.
Find Toshi's Harpoon Relic.
Find Toshi's Village Crest Relic.
Find Toshi's Incense Relic.
Destroy an enemy by shooting a Bomb out of the air.
Learn the Dash Ability.
Defeat the Corrupted Woodsmith.
Destroy a Mage with its own bomb.
Find Adira's Village Heart Relic.
Hit 3 critical hit spots in 3 seconds.
Destroy 3 enemies with a single Parry.
Find Adira's Hammer Relic.
Hit 3 Enemies with a single Rot Infused Arrow.
Find Adira's Ox Relic.
Destroy a Moth enemy with a Bomb.
Discover the Farm.
Learn the Bomb Ability.
Hit 3 enemies with a single Multi-shot.
Defeat Corrupted Taro.
Find Taro's Lantern Relic.
Find Taro's Food Offering Relic.
Capture a picture in Photo Mode.
Find Taro's Knife Relic.
Destroy a Shield Sticks without breaking its shield.
Use 5 Rot Actions in a single combat.
Learn the Bow Ability.
Discover the Forest.
Restore a Flower Shrine.
Discover the Village.
Find the first Rot.