Every villain from every anime has been spawned to this dimension

Yohan: Sips coffee menacingly Light: I was just at home where am I? Muzan: Ah it seems I was spawned to somewhere.. Eren: ... Frieza: What is this foolishness?! Lelouch: Where am I?? Madara: Now this is just a ridiculous Genjutsu. Obito: Has his arms crossed being himself Isabella: I was just with my dear children where have they gone? Hisoka: Is playing cards menacingly