"Ah, D! I'm undone. How did you slay me? The light in your eyes....was that...could it be a power the Sacred Ancestor gave you?D, i didn't ultimately triumph over the Sacred Ancestor, did I? Please, tell me that's not sooo!"
Devil Duke GilzenWhite Devil Mountain|[src]]]

Described as a miracle of blood red light that flashes out from D's eyes. It has the power to completely destroy the regeneration level of True Immortality achieved by Duke Gilzen despite him being able to easilly regenerate from the fount of life being severed.

It may be a power developed from D's powers evolving or he may have had it all along but never used it.

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