इति पञ्चदशोपायाः ॥ कZ_०९.७.७८ ॥
iti pañcadaśopāyāḥ
ດັ່ງນັ້ນ ຈຶ່ງມີວິທີ (ການນໍາໃຊ້) 15 ປະການ।
They refer to the four core instruments (conciliation, gifts, division, force) plus all pairwise, triple, and fourfold combinations—15 total applications.