Skandapurana 16.165.129

16.165.129

śakrāhaṃ te varaṃ vacmi saṃgrāme śatrubhiḥ saha ..
tadā brahmā mocayitā gatvā śatruniketanam .. 129 ..

O Śakra, I tell you your boon: when you are in battle with your enemies,
then Brahmā, having gone to the enemy’s abode, will deliver you.