what makes you so confident great red can't he is the dragon of dreams right so i would think it should be possible same with ophis being infinite dragon but meh she doesn't seem to care about anything other then getting her quiet back but meh just my thoughts on it so meh and a year or more old post so doesn't matter just posting my thoughts anyway
RadTaz:I thought they said that the goddess created the system but what is really giving harry the op powers was lady death, not eris
gkfk:there are more than three god or goddess of death in DxD universe
darknightofAnime:The author is talking about the literal concept of dead of the universe like the marvels one.