To be honest, Lance didn't care whether Count Bastia continued the invasion of Hamlet. In fact, he didn't care at all. He was indifferent even if those regions controlled by the Sect of Ascension were pulverized.
Lance wanted them to see Hamlet as a tempting prize, using their hands to deplete the Old Ancestor.
This battle made him realize that death was uncontrollable; the Old Ancestor was constantly absorbing power every day in places he couldn't see.
His initial plans had been a bit too naive. He couldn't control every part of Hamlet, and the Old Ancestor was ordering takeout every day.
So, he decided to accelerate the process—full throttle.
He would expose Hamlet's weaknesses to attract those greedy bastards—using the tiger to devour the wolf—while he himself would head north and strike directly at the heart of his true objective.
