User blog comment:RoyallyBella/Official Season 7 discussion blog/@comment-25474084-20151005145947/@comment-26964215-20151005160742

According to http://winx.wikia.com/wiki/Category:Butterflix_Spells, Flora's special spell is "Natural Whisper", Tecna's special spell is Virtual Flow", and Stella's special spell is "Flux of Light".