Line a baking sheet with parchment paper and set it aside.
Melt the chocolate chips in the microwave in 30-second intervals, stirring between each interval until melted and smooth.
Spread 2/3 of the melted chocolate evenly on the prepared parchment paper-lined baking sheet.
Lay pretzels on top of the melted chocolate in an even layer and gently press them into the chocolate.
Melt unwrapped caramels in the microwave with heavy cream for about 2 minutes, stirring halfway through until smooth.
Drizzle the remaining melted chocolate all over the top of your creation.
Chill your completed bark in the refrigerator until set and firm, which should take about 30 minutes.