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