[Kamen Rider Die]

Quote:

Originally Posted by DreadBringer

Ryubee using Evil Tail in Gaia Impact symbolizes about how Ryubee had lost his ways, would sacrifice his family for his ambitions in Gaia Impact like what he did previously to Philip, the opposite of how Evil Tail is meant to symbolize the family's happiness and unity, but it scares himself, thus he'd use the Evil Tail as a substitute of the sacrificed family, which'd mean even Ryubee has his own afraid.

Sort of, but it's also a symbol of how Ryuube has valued the memory of his family over the reality of his family. As long as he views the Devil's Tail as a crystallized version of his perfect family, he gives himself free reign to abuse and destroy his actual family.