I layered Fantasy Fire over one of my untried's, OPI Eurso Euro from their Spring 2013 Euro Centrale collection. Eurso Euro is a vibrant blue creme with a fantastic formula. This is two coats plus top coat.
When you add Fantasy Fire, magic happens. Alone, it's a sheer purple with a mainly red shimmer. At some angles there was also some green shimmer but it doesn't look like my camera picked it up. Here's what one coat looks like over Eurso Euro.
It was a bit expensive ($11 for a tiny bottle) but worth it in my opinion.
'Til next time...