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