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