Can anti-war scar stardust be upgraded?

Of course. According to official website's information in Anti-Japanese War, Scar Stardust is a weapon in the game. Players can upgrade Scar Stardust to Scar Nebula by buying a nebula gun core in the mall. Inverse War is an FPS first-person shooter online game developed by the former Lin Lang Sky Studio under Tencent Mei Tian Studio Group.