When the Intensify Aspect spends a Moon Marker when replacing a piece of type A with a piece of type B (e.g., replacing 1 Explorer with 1 Dahan with Call of the Dahan Ways), how many piece of type B will there be?

When the Intensify Aspect spends a Moon Marker when replacing a piece of type A with a piece of type B (e.g., replacing 1 Explorer with 1 Dahan with Call of the Dahan Ways), how many piece of type B will there be?

One per piece of type A that was replaced. So in this case, if there were two Explorers present, there would then be two Dahan.