Shiva Purana
ततः सिंहो बभूवाशु मायावी तच्छिरोम्बिका ॥ यावद्भिनत्ति तावत्स खङ्गपाणिर्बभूव ह ॥ ५०॥
Wielding Māyā, he became a lion. Soon as Ambikā tried to cut off his head he became armed with a sword.
english translation
tataH siMho babhUvAzu mAyAvI tacchirombikA ॥ yAvadbhinatti tAvatsa khaGgapANirbabhUva ha ॥ 50॥
hk transliteration by Sanscript