|Roy Mustang vs Lust|
|Number of Times Fought||2|
|Anime||Fullmetal Alchemist (Brotherhood)|
|Aftermath||Lust pursues Riza Hawkeye and Alphonse Elric (Round 1).
Mustang kills Lust (Round 2)
|Winner||Lust (Round 1)
Roy Mustang (Round 2)
Roy Mustang and Jean Havoc infiltrate the third laboratory when they encounter Lust, whom Havoc immediately recognizes. Mustang attempts to use his incinerator glove, but Lust slashes a pipe and water pours onto the glove. Mustang attempts to ignite the gas, but Lust survives and injures the duo. Shredding Mustang's glove in the process. She then storms off to kill the others.
Mustang rises again and uses alchemy to close his wound and he carves an alchemy insignia into his right hand. He arrives just in time to save Alphonse by enflaming Lust about 10 times, Lust then curses Mustang and wishes he will suffer before finally dying. Mustang then passes out from his loss of blood.