Here is the full list of all 11 Raindancer achievements.
Defeat Barshka, The Wall in under 45 seconds.
Defeat Knight Sandir in under 30 seconds.
Kill 10 fireflies.
Complete Raindancer on Story Mode.
Defeat The Rain's Shears in under 2 minutes.
Defeat Baanda, Queen of All in under 60 seconds.
Defeat Malvo, The First Distiller in under 45 seconds.
Listen to Gasa.
Land a Critical Hit on a Target Dummy.
Complete Raindancer on Tempest Mode.
Complete Raindancer on Tempest Mode in under 30 minutes.