villains for its limitless abilities, and Sailor Moon often uses it throughout the series to defeat the most difficult of villains, typically at the cost of her own vitality. Sailor Moon's appearance and title change at key points when she grows stronger or gains additional powers. The first major change takes place during the third story arc – act 30 of the manga and episode 111 of the original anime – when she obtains the Holy Grail, an item of vast power, and transforms into the more powerful Super Sailor Moon. In this form, her costume becomes more ornate and her powers are increased. At first she is unable to maintain this form without using the Grail, but she later gains the ability to assume this form permanently. This happens when the mysterious being Pegasus grants both her and Sailor Chibi Moon new transformation brooches – in arc 34 of the manga and in episode 130 of the original anime. Sailor Moon receives her third and final form at the end of the fourth story arc, as the combined power of the other Sailor Guardians allows her to transform into Eternal Sailor Moon, whom is described in the series as the closest in power to her future self, Neo-Queen Serenity. Her uniform is radically altered, including more ornate details and the addition of two pairs of angelic wings on her back which replace her back bow. In the manga, this final form coincides with the Silver Crystal evolving into the Silver Moon Crystal. Princess Serenity ] is a past incarnation of Sailor Moon that lived in the Moon Kingdom during the age of Silver Millennium. She was the daughter of Queen Serenity, who ruled Silver Millennium and watched over the Earth. Princess Serenity's guardians and closest friends were Sailor Mercury, Sailor Mars, Sailor Jupiter, and Sailor Venus, who were princesses of their own respective planets that sometimes lived on the Moon. On one of her visits to Earth, she met and fell in love with Endymion, the crown prince of Earth. During the attack that caused the Moon Kingdom's downfall, Prince Endymion died protecting Serenity. In the manga, she then commits suicide out of grief, while in the original anime, Queen Metalia killed them both. Queen Serenity was able to seal away the evil that had created the attack, but everyone involved was killed. Before her own death, the Queen