One verse

Srimad Bhagavatam 7.10.40

7.10.40

यथा यथा भगवतो भक्त्या परमयाभिदा । नृपाश्चैद्यादय: सात्म्यं हरेस्तच्चिन्तया ययु: ॥ ४० ॥

yatha yatha bhagavato bhaktya paramayabhida nrpas caidyadayah satmyam hares tac-cintaya yayuh

yatha yatha
just as
bhagavatah
of the Supreme Personality of Godhead
bhaktya
by devotional service
paramaya
supreme
abhida
incessantly thinking of such activities
nrpah
kings
caidya-adayah
Sisupala, Dantavakra and others
satmyam
the same form
hareh
of the Supreme Personality of Godhead
tat-cintaya
by constantly thinking of Him
yayuh
returned home, back to Godhead.

By devotional service, pure devotees who incessantly think of the Supreme Personality of Godhead receive bodies similar to His. This is known as sarupya-mukti. Although Sisupala, Dantavakra and other kings thought of Krsna as an enemy, they also achieved the same result.