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