As I hear these dreadful roars uttered by the Rakshasa Ghatotkacha, I think it sure that the son of Hidimba is engaged with king Duryodhana himself.
यथैष निनदो घोरः श्रूयते राक्षसेरितः। हैडिम्बो युध्यते नूनं राज्ञा दुर्योधनेन ह॥