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