Titania

Titania is a rune that has a symbol of a butterfly. Titania summons Morning Star, an Astral Familiar.

Trivia

 * In Vanillaware's other game Odin Sphere there is a town called "Titania".
 * Nippon Ichi Software who worked with Vanillaware, made a game called Soul Nomad & The World Eaters, in it a random name that can be chosen for a character is Titania. It is unknown if they did this on purpose or if they just couldn't think of any random names.