Bake cake as directed in 9x13 pan. Poke warm cake with holes - use soda straw, wood spoon handle - anything handy. Pour 14 oz can of sweetened condensed milk slowly over cake.
Put in 'fridge to cool at least 1 hour.
Spread ice cream caramel topping over entire cake.
Spread hot fudge topping over entire cake
Spread Cool Whip over entire cake.
Drizzle chocolate syrup over cake making any design you choose.
Sprinkle broken Heath bar pieces across top.
Always store in refrigerator.