"Initially I tried it twice after beating the game and then realized I was missing an elemental materia. After I got that materia and made sure both elemental materia were level 2 along with upgrading my weapons to save characters from dying it only took 4 attempts. Very fun fight.

Shiva https://youtu.be/In8zUJGRQ78
Fat Chocobo https://youtu.be/In8zUJGRQ78?t=416
Leviathan https://youtu.be/In8zUJGRQ78?t=935
Bahamut & Ifrit https://youtu.be/In8zUJGRQ78?t=1471
Pride and Joy https://youtu.be/In8zUJGRQ78?t=2450"