Melt butter in sauce pan, add marshmallows and cook til just barely melted.
Pour melted butter and marshmallows into bowl with Krispie cereal waiting.
Add in Wilton melting chocolates as you stir.
Once more solid, add M&M's and pumpkin chips.
Pour into buttered bundt pan.
Sprinkle more chips and M&M's into layers.
Let it sit to solidify, or freeze for faster results (10 minutes)
Flip cake out of pan and drizzle with white melting chocolate, then pumpkin spice melting chocolate.
The white melting chocolate makes a later between the krispie cake and the pumpkin spice chocolate.
Serve in slices.