In reality, Helena would rather she didn't dine with Harrison.
She understood that Harrison's position was supernaturally powerful and one in a billion, and therefore, she kept sly old foxes like him as far as she could.
Still, it was Charlie's idea to invite Harrison to the palace. As the world's richest man who owned a financial empire worth trillions, his family had their hands in every cookie jar.
With those abundant resources, they had what it took to make more money with what they had.