On consecrating Runes

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It's about the awakening the White Race ritual, and the runes to be consacrated ; What should I do if I already had consecrated sowilo with my blood? The ritual says it should be done just once....should I skip it , should I do it again just for the sake of the ritual and energy needed? Should I just consecrate the other 2 instead? ...  I mean I am willing to , no problem with that , but still "just once" sounds really important.