>>149993062
Bahamut Fury has constellations in the background.
The furthest star that can be seen with the naked eye is "V762 Cas", which is 16308 light years away from Earth.
>Hemisphere calculator on 16308 light years = 2.2e+35 square kilometers (total surface area)
Sun's surface area of 6.0e+12 square kilometers.
Energy required to destroy the sun is 5.6e+41 joules.
> 2.2e+35 / 6.0e+12 * 5.63e+41 = 2.0e+64 joules.

234 ExaFoe (Multi-Solar System level) for Bahamut Fury.

Bahamut Fury loses to Zack, who is immensely weaker than Sephiroth.