He defeated many demons and their emperor , Mundus , before sealing the gateway between the demonic and human worlds .
Sparda is the demonic knight who rebelled for humanity 's sake 2,000 years before the events of Vergil 's Devil May Cry 4 : Special Edition .
Vergil defeated many demons and their emperor , Mundus , before sealing the gateway between the demonic and human worlds .
Sparda is the demonic knight who rebelled for humanity 's sake 2,000 years before the events of Vergil 's Devil May Cry 4 : Special Edition .