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.
Unlock all ability upgrades.
Restore all of the Flower Shrines.
Find all of the Rot.
Deliver all Spirit Mail.
Meditate at all Meditation Spots.
Find Toshi's Village Crest Relic.
Find Toshi's Harpoon Relic.
Collect 50 Rot Hats.
Find Toshi's Incense Relic.
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.
Find Adira's Hammer Relic.
Find Adira's Ox Relic.
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.
Destroy a Mage with its own bomb.
Find Taro's Food Offering Relic.
Hit 3 enemies with a single Multi-shot.
Hit 3 Enemies with a single Rot Infused Arrow.
Find Taro's Knife Relic.
Use 5 Rot Actions in a single combat.
Learn the Bow Ability.
Destroy 3 enemies with a single Parry.
Discover the Forest.
Restore a Flower Shrine.
Destroy a Shield Sticks without breaking its shield.
Discover the Village.
Capture a picture in Photo Mode.
Find the first Rot.