Blissful・Peaceful・Dreamryle

Burisufuru・pīsufuru・dorīmurīre (ブリスフル・ピースフル・ドリームリーレ) is the official transformation phrase used by Kirameki Hikari to transform into Cure Serenity. To activate the transformation, Hikari needs her Linkle Brooch and either the Dia, Ruby , Sapphire or Topaz.