Morrison said this regarding Final Crisis 7.

 Quote:
It’s also ‘final’ in the sense that it’s all about endings and apocalypses. It shows the DCU degrading, drained of all meaning, drained even of stories and characters, reduced to nothing but darkness, a mute Superman and a greedy Vampire God. We even break down the conventional storytelling modes at the end until there’s nothing familiar left in an effort to convey what the end of a universe might feel like.