X

X is a 5★ character in Reverse: 1999.

X has been featured in 12 banners since Oct 2023. Their most recent appearance was on From the Ruin of the Past (Oct 2025), approximately 164 days ago. Based on their banner history, the average gap between appearances is 65 days.

X was released on October 26, 2023. They were introduced alongside An-an Lee, AliEn T, Зима, APPLe, Druvis III, Bunny Bunny, La Source, Regulus, Satsuki, Balloon Party, Bette, Bkornblume, Lilya, Centurion, Matilda, Medicine Pocket, Mesmer Jr., A Knight, TTT, Nick Bottom, Ms. Radio, Pavia, Sotheby, Poltergeist, Sputnik, Sweetheart, Rabies, Tennant, Dikke, Darley Clatter, Cristallo, Click, Oliver Fog, Eagle, Erick, Eternity, ONiON, Ms. NewBabel, Baby Blue, Sonetto, Necrologist, Mondlicht, Leilani, The Fool, Twins Sleep, Voyager, Charlie, Ms. Moissan, Door, John Titor, suggesting they were part of the same content update.