Quest 397

Walkthrough
The Coup-de-Grace for a Dancer is an excellent bonus, raising the tension of everyone in the Dancer's party to its maximum stage.
 * Rastasya asks you to go kill 3 Fluff Puffs, located in Julet's Top layer, while your Dance of Sealing debuff is successfully applied to them.
 * You must defeat the creature while the effect is up or it won't count.
 * Completing this step gives you the Lovely Dance emote.
 * Head to King Ladis Island, accessible by going to Muse Coast.
 * Take the stage on the stone podium at D-2 and use the Lovely Dance emote.
 * Take the portal to the Ritual Room and defeat the boss.
 * Go back to the dancer tent and complete the quest.