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