Devibhagavatapurana 3.15.12

3.15.12

yuddhe mṛtau ca subhaṭau divi saṅgatau tā-vanyonyaśastranihatau saha samprayātau |
tatraiva jaghnaturalaṃ paramāhitāstrā-vekāpsaro'rthavihatau kalahākulau ca ||

Two warriors, went up, slew each other and lay down dead at the same time. They went up in the heavens at the same time and there began quarrel with each other and fight with their weapons for one and the same celestial nymph.