In the process he encounters his long - lost twin brother , Vergil , with whom he has a dysfunctional relationship .
The series centers on Dante 's mission to avenge the death of his mother , Eva , by exterminating demons .
In the process Dante encounters Dante 's long - lost twin brother , Vergil , with whom he has a dysfunctional relationship .
The series centers on Dante 's mission to avenge the death of his mother , Eva , by exterminating demons .