[quote=Jivusa]
Present day Crona is presently a hermaphrodite. Though, was originally a female until the addition of Ragnarok, the black blood. This made the formerly female Crona fuse together with the male Ragnarok, making a gender-neutral Crona at present day.
[/quote]

Present Day Crona + Ragnorok = N
Young Crona = F
Ragnorok = M
Hermaphrodite = H
H = 0

H = F + M
0 = F + M
-M = F and -F = M 

N = -M + -F

[b]N = -M - F[/b]

This is my way of simplifying basically what you said.

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Demon where can I find that one haha