Declension table of avataṃsa

Neuter	Singular	Dual	Plural
Nominative	avataṃsam	avataṃse	avataṃsāni
Vocative	avataṃsa	avataṃse	avataṃsāni
Accusative	avataṃsam	avataṃse	avataṃsāni
Instrumental	avataṃsena	avataṃsābhyām	avataṃsaiḥ
Dative	avataṃsāya	avataṃsābhyām	avataṃsebhyaḥ
Ablative	avataṃsāt	avataṃsābhyām	avataṃsebhyaḥ
Genitive	avataṃsasya	avataṃsayoḥ	avataṃsānām
Locative	avataṃse	avataṃsayoḥ	avataṃseṣu

Compound avataṃsa -

Adverb -avataṃsam -avataṃsāt