<prompt> An irresistible desire to set fire is calledPyromaniaDipsomaniaMutilomaniaNymphomania  <response>: Pyromania This is an irresistible desire to set fire. In the history, the Roman Emperor Nero had pyromania, he was playing mandolin after giving orders to set fire a pa of Rome. Ref: FORENSIC MEDICINE AND TOXICOLOGY Dr PC IGNATIUS THIRD EDITION PAGE 360 