(he) pārtha–O Arjuna; sukhinaḥ–the fortunate; kṣatriyāḥ–warriors; labhante–attain; yuddham–a battle; īdṛśam–like this; upapannam– present; yadṛchchhayā–of its own accord; apāvṛtam svarga-dvāram cha–as an open door to heaven. [32]

O Pārtha, only the most fortunate warriors are blessed with the opportunity of such a battle, which has come to you like an open door to heaven.