Vapor

Vapor is a mysterious character in the Mortal Kombat series. She was once a scientist in the Special Forces, working alongside Jax Briggs, Sonya Blade, Mikka Stone, Torque, and Sylence to develop an invisibility device. However, a disastrous incident occurred, leaving her face behind a mask, and it's rumored that she was horribly scarred. According to the comics, bullets and other solid objects can easily pass through her molecules, and she can also fly. Vapor remains an enigma in the Mortal Kombat universe, her past research and experiences having left an impact. Her unique invisibility abilities and background story make her an intriguing character in the series.