sentences:  However, the Dark Kingdom attacked and destroyed Silver Millennium, resulting in the deaths of Serenity, Endymion, and the Sailor Soldiers.Serenity's mother — Queen Serenity — used the power of the Silver Crystal to vanquish Queen Metaria and end the war.She also used the crystal to send the fallen into the future to be reborn on Earth, hoping to give them a second chance at peace.