Declension table of ?dhvaṃsiṣyat

Masculine	Singular	Dual	Plural
Nominative	dhvaṃsiṣyan	dhvaṃsiṣyantau	dhvaṃsiṣyantaḥ
Vocative	dhvaṃsiṣyan	dhvaṃsiṣyantau	dhvaṃsiṣyantaḥ
Accusative	dhvaṃsiṣyantam	dhvaṃsiṣyantau	dhvaṃsiṣyataḥ
Instrumental	dhvaṃsiṣyatā	dhvaṃsiṣyadbhyām	dhvaṃsiṣyadbhiḥ
Dative	dhvaṃsiṣyate	dhvaṃsiṣyadbhyām	dhvaṃsiṣyadbhyaḥ
Ablative	dhvaṃsiṣyataḥ	dhvaṃsiṣyadbhyām	dhvaṃsiṣyadbhyaḥ
Genitive	dhvaṃsiṣyataḥ	dhvaṃsiṣyatoḥ	dhvaṃsiṣyatām
Locative	dhvaṃsiṣyati	dhvaṃsiṣyatoḥ	dhvaṃsiṣyatsu

Compound dhvaṃsiṣyat -

Adverb -dhvaṃsiṣyantam