Nice, finally somebody got it!
I wanted it to be some special, mysterious dimension; not just the ‘astral plane’ as we were calling it internally. Like the spirit Behrlihn says in the beginning of Flames of Vengeance: ‘Ah, how good it is to be here in this empire of dream, desire and fruition where one is truly omnipotent.’
Oh, very interesting! I didn't know that "Hypnerotomachia Poliphili" was indeed "El sueño de Polífilo" -the usual translation in spanish-.
Well, that would explain all the confusion and mystery about that dimension in which the Divine and the DragonKnight are imprisoned; a little but nice allusion to a classic mystery ^_^
Indeed!