Watch the Arknights ’Schwarz Skyline’ Ultimate Appearance Trailer for Delta Force, the hit first-person tactical multiplayer online game developed by Team Jade. Players can soon grab Luna’s Ultimate appearance Schwarz·Skyline for a limited time that is also fitted with a themed weapon appearance, charm, spray paint, and more. The ’Schwarz Skyline’ Ultimate Appearance for Delta Force will be available from July 11 through August 24 on iOS, Android, and PC (Steam).