Here is the full list of all 11 Himno achievements. It takes around 1-2 hours to unlock all of the achievements on Windows.
Falls into the water for the first time.
Light 30 torches in one playthrough.
Visit 100 districts.
Use 15 dash runes.
Explore new terrain above 600 meters.
Do 5000 jumps.
Do 2500 dashes.
Release your first Wisp.
Release 25 Wisps.
Reach level 19.
Reach district 11.