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