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