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