Here is the full list of all 17 Fairy Fire - there are Defender of the Fairies achievements.
Protect the Wizard with 5 helper items!
Steal a fairy from a snatcher!
Survive floor #1
Master floor #1 without dying
Protect all fairies in floor #1!
Survive floor #2
Master floor #2 without dying
Protect all fairies in floor #2!
Survive floor #3
Pickup 600 gems in one game!
Get killed within the first 15 seconds.
Finish the game in one go!
Survive boss 1 in arcade mode!
Survive boss 2 in arcade mode!
Survive boss 3 in arcade mode!
Kill 10 snatchers while stealing in one wave.
Play the Game on Developers Birthday