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