Declension table of ?pradhvaṃsin

Masculine	Singular	Dual	Plural
Nominative	pradhvaṃsī	pradhvaṃsinau	pradhvaṃsinaḥ
Vocative	pradhvaṃsin	pradhvaṃsinau	pradhvaṃsinaḥ
Accusative	pradhvaṃsinam	pradhvaṃsinau	pradhvaṃsinaḥ
Instrumental	pradhvaṃsinā	pradhvaṃsibhyām	pradhvaṃsibhiḥ
Dative	pradhvaṃsine	pradhvaṃsibhyām	pradhvaṃsibhyaḥ
Ablative	pradhvaṃsinaḥ	pradhvaṃsibhyām	pradhvaṃsibhyaḥ
Genitive	pradhvaṃsinaḥ	pradhvaṃsinoḥ	pradhvaṃsinām
Locative	pradhvaṃsini	pradhvaṃsinoḥ	pradhvaṃsiṣu

Compound pradhvaṃsi -

Adverb -pradhvaṃsi