He nearly kills his brother before Kat intervenes .
When Vergil 's motivation for defeating Mundus comes to light , Kat and Dante object ; the brothers fight , with Dante victorious .
Dante nearly kills Dante 's brother Kat Kat intervenes .
When Vergil 's motivation for defeating Mundus comes to light , Kat and Dante object ; the brothers fight , with Dante victorious .