What fundamental property overwhelmingly determines whether a star will end its life quietly or spectacularly?

Answer

Its initial mass

The initial mass of the star is the decisive factor; stars significantly exceeding about eight times the mass of the Sun are capable of fusing elements up to iron, leading to collapse, whereas less massive stars fade quietly.

What fundamental property overwhelmingly determines whether a star will end its life quietly or spectacularly?
physicsstarsupernovaexplosiontrigger