If the dual Gold Cup and four-time King George winner lines up in the race, Nick Williams's Diamond Harry would be 12lb out of the handicap.
Were Kauto Star to go straight to the King George instead, Diamond Harry would only be 4lb out of the weights, with Denman setting the mark.
"The Hennessy is definitely the plan," said owner Paul Duffy. "Second-season chasers do have good records in the Paddy Power and Hennessy and he goes well fresh. We wouldn't want the ground that fast."