Dr. Mundo, the Madman of Zaun, storms onto the battlefield of Summoner's Rift, wielding his massive cleaver and unyielding determination. Dr. Mundo, the Madman of Zaun, was once a brilliant chemist from Zaun. However, an experiment gone wrong left him physically and mentally scarred, transforming him into the hulking brute he is today. With his mind shattered and his body augmented with...