是。游戏中明确说了是~

亡灵巫月是阿凯的卫星，所以实际上应该是已经突入到现世，或者和现世有所交叠了。不过这种情况也不算少见，阴影飞空城那也是从维尔的领域跑出来的，维尔的领域本身也是和现世相交甚多的

Some of those that did see the void created its like inside the Aurbis, but each of these smaller voids sought each other out. Void shall follow void; the etada called it Oblivion.
是吧，虽和现实有交接，却基于void