Here is the full list of all 45 Children of Morta achievements. It takes around 25-30 hours to unlock all of the achievements on Windows.
Bring back 15 souvenirs from the dungeons.
Construct Ben's wine machine.
Find 10 secrets.
Reunite the automata.
Find 20 journals.
Find 10 divine items in a single dungeon.
Upgrade 75 times in the workshop.
Complete 10 in-run events.
Complete 10 challenge rooms.
Kill 250 ferocious enemies.
Unlock all family traits.
Have 20000 Morv.
Defeat OU.
Unlock all family traits of a Bergson.
Upgrade The Book of Rea 15 times.
Free Anai-Sarava.
Kill a boss with every playable character.
Kill 100 enemies using hazards.
Resolve 20 puzzle events.
Free the blackmarketeer.
Bring Hope into the world.
Complete 5 in-run events.
Use 5 charms in the same dungeon run.
Free Anai-Raha.
Kill 5000 enemies.
Upgrade 25 times in the workshop.
Shelter the stargazer.
Upgrade The Book of Rea 5 times.
Save the wolf cub.
Kill a boss without receiving damage.
Kill 50 ferocious enemies.
Unlock a family trait of three different Bergsons.
Have 3 runes equipped simultaneously.
Revive 5 times in co-op mode.
Unlock all playable characters.
Rescue Mary.
Free the runemender.
Gain each obelisk effect at least once.
Upgrade 10 times in the workshop.
Free Anai-Dya.
Unlock a family trait.
Free the shopkeeper.
Finish a dungeon in co-op mode.
Defeat the Spider King.
Investigate the shrine of Rea.