Yes, Fairy Kingdom was destroyed, and its destruction had been inevitable. The prophecy had descended long ago. The reason the fairies of Fairy Kingdom turned into monsters was also because of their original sin and curse.
At the same time, the various calamities that occurred within Fairy Kingdom were born from that curse and Cernunnos's resentment. As time passed, Cernunnos's corpse became increasingly terrifying. Once it erupted, the curse accumulated by the chief god would completely devour all of Fairy Kingdom.
As a paradise fairy from the Inner Sea of the Planet, Savior Aesc's original mission had actually been to make the fairies understand their sins, willingly admit their mistakes, and then fulfill the mission of forging the Sword of Stars.
Although the Sword of Stars already existed, that did not mean there could only be one such weapon, nor did it mean it had to take the form of the Sword of Promised Victory.
That was why Savior Aesc had been sent to Fairy Kingdom Britain. Possessing immense magical power, she could continuously grow stronger as long as she studied diligently, eventually gaining the strength to beat up the entirety of Fairy Kingdom.
However, when Aesc first arrived in Fairy Kingdom, she had been cared for by the fairies of the Rain Clan. The fairies of that clan were among the rare few in Fairy Kingdom who could be considered decent.
Because of the Rain Clan's care and help, although Aesc bore a mission, she developed a favorable impression of Fairy Kingdom. She hoped to save it by other means and did not want Fairy Kingdom to be destroyed.
Thus, Aesc, originally the destroyer of Fairy Kingdom, became Fairy Kingdom's savior instead, leaving behind the legend of Savior Aesc.
However, the fairies' nature had already been fully exposed through