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