ΣXyz

"ΣXyz" an abbreviation of "Σκοτάδι Xyz" [Σκοτάδι means "dark" in Greek], abbreviated "ΣΧ"), is an archetype of monsters that can be Xyz Summoned by Chaos Xyz Evolution, with the effect of "Rank-Up-Magic Spread of Skotadi". They are 1 Rank higher than that of the basic forms. Xyz Materials attached to "ΣXyz" monsters resemble purple orbs, which are shown to include some kind of fluid in them, and are called "Skotadi Xyz Materials".