Here is the full list of all 21 Reverie achievements.
Pray for rain!
Don't get frostbites!
Isn't that a bit too much for just one flower?
Don't forget to turn off the moon!
Climb up the scales!
Blood, mist and bats oh my!
Out with the spikes, in with the green!
Prepare the mirrors!
Is it... absinthe?
A-weeeaaamamaweeeeeeh~!
Who likes waking up to the locust plague??
Who knew he hates purple so much!
First: it's festive. Second: it's evening!
Next time, don't go fixing broken totems!
Has... too much time passed?
Touching the moon? Really??
That's trippy!
Why are these things always fully functional?
My eyes! My poor eyes!
Heeeelp! I've been bodysnatched!!
Wow, you really left it on for that long??