Fakir wielding the Prince's Sword.
The sword first appeared in the series in Akt 8, when Fakir found it in an underground tomb. He planned to use it to shatter Mytho's heart again, but he was stopped by Princess Tutu. Mytho kept the sword after that, and it appeared again in Akt 13, when Mytho was under Princess Kraehe's spell. Fakir broke the blade in two with the Lohengrin Sword to prevent Mytho from shattering the Heart Shard of love. The two halves became a pair of white swans that flew away.
The sword was not seen again until Akt 25, after Mytho had regained all the pieces of his heart and was prepared the fight the Raven again. The two white swans returned and came together to form the sword, with no sign that it had ever been broken.
In the finale, the sword reveals that it has the ability to use special moves called a Limit Breaks (限界休憩 Genkai Kyūkei). However, the sword only uses one combination attack, as with no signs of this sword appearing to use solo attacks, other combinations, variations, or many sets of moves; only for one Limit Break move can be listed below:
- Feathers End (フェザーズエンド Fezāzu Endo): A combination attack used by Mytho and Rue, a powerful slash with the sword's blade imbued with pure holy light that can kill Raven in one hit.
- The Prince's Sword bears resemblance to the legendary sword of King Arthur, Excalibur.