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