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.
Unlock all ability upgrades.
Find all of the Rot.
Deliver all Spirit Mail.
Defeat the Corrupted Rot God.
Reach the Mountain Shrine.
Defeat Corrupted Toshi.
Meditate at all Meditation Spots.
Find Toshi's Harpoon Relic.
Restore all of the Flower Shrines.
Collect 50 Rot Hats.
Find Toshi's Village Crest Relic.
Find Toshi's Incense Relic.
Destroy an enemy by shooting a Bomb out of the air.
Destroy 3 enemies with a single Parry.
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.
Destroy a Mage with its own bomb.
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.
Hit 3 Enemies with a single Rot Infused Arrow.
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.
Capture a picture in Photo Mode.
Discover the Forest.
Restore a Flower Shrine.
Destroy a Shield Sticks without breaking its shield.
Discover the Village.
Find the first Rot.