Place dark chocolate in a small heat-proof bowl set over a saucepan of simmering water. Stir chocolate occasionally until it is fully melted. Alternatively, you can melt chocolate in the microwave, heating and stirring at intervals.
Dip bottoms of sliced figs into melted chocolate and set on parchment paper-covered baking sheet. Sprinkle crushed pistachios over chocolate.
Place baking sheet in refrigerator for about 30 minutes, until chocolate is hardened.
Top figs with crumbled gorgonzola cheese and serve.