Vermillious Duo is the incantation of a charm that produces a jet of red sparks that can be used offensively in duelling.[1] It is a more powerful version of Red Sparks, but it is not as powerful as Vermillious Tria.


The incantation is derived from the English word "vermillion", a shade of red. The modifier "duo" applied to the spell means "two", referring to its higher power than Vermillious Uno.

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