I think the Panchalas and the Kurus that have been killed (in this battle) have been lost, otherwise he who has killed would, by that act of his, obtain all blissful regions.
पञ्चालानां कुरूणां च हता एव हि ये हताः। न चेत् सर्वानयं लोकः पश्येत् स्वेनैव कर्मणा॥