sa tvam prabho 'dya vasudeva-gṛhe 'vatīrṇaḥ
svāḿśena bhāram apanetum ihāsi bhūmeḥ
akṣauhiṇī-śata-vadhena suretarāḿśa-
rājñām amuṣya ca kulasya yaśo vitanvan
sah -- He; tvam -- You; prabho -- O master; adya -- now; vasudeva-grihe -- in the home of Vasudeva; avatirnah -- have descended; sva -- with Your own; amsena -- direct expansion (Lord Balarama); bharam -- the burden; apanetum -- to remove; iha -- here; asi -- You are; bhumeh -- of the earth; akshauhini -- of the armies; sata -- hundreds; vadhena -- by killing; sura-itara -- of the opponents of the demigods; amsa -- who are expansions; rajnam -- of the kings; amushya -- of this; ca -- and; kulasya -- dynasty (of the descendants of Yadu); yasah -- the fame; vitanvan -- spreading.
The term suretaramsa-rajnam indicates that the demoniac kings slain by Krishna were in fact expansions or incarnations of the enemies of the demigods. This fact is elaborately explained in the Mahabharata, which reveals the specific identities of the demoniac kings.