Legend of the Mask and the Assassin is a collaborative studio album by American Los Angeles–based record producer DJ Muggs and Psycho Realm's rapper Sick Jacken featuring fellow Sick Symphonies' member Cynic of Street Platoon. It was released on September 11, 2007, via Rebel Music Group/Universal Music Latino, serving as Muggs' second album in his "DJ Muggs vs." series. Recording sessions took place at MGS Sound Lab in Burbank, California. Production was handled entirely by Muggs, who also served as executive producer with Jacken.