Your New God III

In James Blish's The Day After Judgement:

after the original God has apparently died or possibly withdrawn, the new God, Satan, addresses the last magicians in the great hall of Pandemonium in the Citadel of Dis.

In Mike Carey's Lucifer:

after the original God has withdrawn, the new God and Lucifer address the angelic host, the Hellkin and the Army of the Damned in a great amphitheatre of the fallen Silver City.

Despite the many differences between these two scenes, I have tried to bring out some parallels:

in both cases, the original God is no longer around;
but, also in both cases, He has been replaced;
His replacement addresses the main movers;
the Devil plays a key role - in the first case, he is the replacement whereas, in the second case, he has prepared her;
the address occurs in a suitable location, either in Hell or in the fallen Heavenly City.

Your New God II

Appropriately, both James Blish's Satan Mekratrig and Mike Carey's Lucifer Morningstar refer to damnation when they express their attitudes to Godhood.

Satan:

"I, SATAN MEKRATRIG, can no longer bear
"This deepest, last and bitterest of all
"My fell damnations: That at last I know
"I never wanted to be God at all
"And so, by winning all, All have I lost." (1)

Lucifer:

"Someone has to be the Founder. The preserver. The arbiter. And I was damned if it was going to be me." (2)

However, Satan speaks literally whereas Lucifer speaks colloquially, thus ironically. Lucifer had known for a long time that he did not want the top job and had planned accordingly, preparing another candidate. By contrast, Satan was taken by surprise, winning supreme power only to realise at that late stage that he did not really want it.

This Satan is the conventional figure described by Dante, remaining off-stage until the end, whereas Lucifer, looking like a regular guy except when he manifests his wings, had resigned as Lord of Hell and has had time to develop an independent existence first in The Sandman by Neil Gaiman, then in Lucifer by Carey. He is not malicious but he is selfish, casually destroying billions of beings in a hitherto unknown realm of the hereafter in order to rescue one to whom he felt an obligation.

(1) Blish, James, The Day After Judgment (New York, 1971), p. 162.
(2) Carey, Mike, Lucifer: Morningstar (New York, 2006), p. 188.

Your New God

The Day After Judgement by James Blish and Lucifer: Morningstar by Mike Carey have parallel passages.

In Blish's work, Satan, having won Armageddon, summons to the Citadel of Dis those magicians whose conjuration had initiated the conflict. He hears their advice before informing them in Miltonic verse that he is now God but does not want to be, so Man must evolve towards that role. Four men stand before the huge form of the Dantean Satan, "...five hundred yards from crown to hoof...", with only his upper body reaching above the floor of the great hall of Pandemonium. (1)

In Carey's work, the situation is more complex but there is a similar scene. God is not dead but has withdrawn, leaving others to address the problems caused by his absence. Elaine Belloc, a British schoolgirl but the Archangel Michael's daughter, thus God's granddaughter, has absorbed Michael's demiugic energy and created a new universe. Controlling such power also enables her to prevent the otherwise inevitable dissolution of the original, now God-abandoned, universe.

At last, Elaine and Lucifer stand before the remnants of the Hellkin, the Heaven-host and the Army of the Damned in a massive amphitheatre of the fallen Silver City where Lucifer announces, "You're looking at your new God," adding to her, "...I was damned if it was going to be me. For what it's worth, I think you'll be an improvement on the old regime." (2)

Like Blish's Satan, Carey's Lucifer doesn't want Godhood but, in this case, an alternative candidate is already in place.

(1) Blish, James, The Day After Judgment, New York, 1971, p. 154.
(2) Carey, Mike, Lucifer: Morningstar, New York, 2006, p. 188.