judging by the amount of fire "trail", I'd guess the middle "sun" is a moderate-sized planteoid (possibly one of the planet's moons) being hurled as an improvised Orbital Bombardment
can't really see the enemy, but they look pretty spiky... both Orks and Chaos have been know to casually chuck a moon or two as an opening salvo; so if it's either of them then there's plenty of ammo handy
in the grim darkness of the far future there is only grim darkness. and war. but especially grim darkness. they picked the perfect background.
The Typical city under siege.
typical planet with 3 suns
judging by the amount of fire "trail", I'd guess the middle "sun" is a moderate-sized planteoid (possibly one of the planet's moons) being hurled as an improvised Orbital Bombardment
can't really see the enemy, but they look pretty spiky... both Orks and Chaos have been know to casually chuck a moon or two as an opening salvo; so if it's either of them then there's plenty of ammo handy