How to Complete Flantastic Finish
This quest becomes available after you have completed the Shelling Out quest.
The objective is to kill all but the Red Flan, then bring the Red Flan's HP down to HP Critical status. The other enemies in the battle are a Werewolf, which is weak to Wind; a White Chocobo, which is weak to Water, Holy, and Lightning; a Hoppy Bunny, which is weak to Fire; a Deadly Nightshade, which is weak to water; and a Lilith. The Red Flan itself is weak to Ice. Remember not to kill it.