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