Okay, most reasons for taking over the world and making it permanently in an unproductive winter suck. However this takes the biscuit! In fact, as climactic confrontations go, this is a little... odd. Those two are not conforming to the stereotype at all. What's the bet that this is some kind of crazy flirting or something?
Meanwhile, if Scarlet and Thumbless are smart, they'll make a discrete exit through the side door whilst the two god-tiers are busy throwing Spells of Mass Destruction at each other.