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