How many movies have Gianlorenzo Battaglia and Marco Vivio collaborated on?

They have worked on 4 movies together! Their first movie together was A Blade in the Dark (1983) while their highest rated movie together was Demons 2 (1986). They have not worked together since S.P.Q.R.: 2,000 and a Half Years Ago (1994). They are most known for their horror films together.