sei rājā - that King (Mahārāja Puruṣottama-deva); jini' - conquering; nila - took; tāṅra - his; siṁha-āsana - the throne; māṇikya-siṁhāsana - the throne known as Māṇikya-siṁhāsana; nāma - named; aneka - various; ratana - bedecked with jewels.

That King was victorious over the King of Vidyānagara, and he took possession of his throne, the Māṇikya-siṁhāsana, which was bedecked with many jewels.