Actually.
During their recent contact at the back of his head, Han Dong had a chance to kill the Great Lord.
But the Great Lord couldn't die.
If Han Dong were to deduct from all the information he'd obtained so far, even if the Knight Regiment had set up the "Giant Ghoul - Lord Stuart" as the final BOSS for the current training session.
It doesn't mean that he was the real lord of the mansion.
In Han Dong's estimation, the actual authority here should belong to the mysterious mother body in the nest.
The Great Lord, in essence, was merely one of the essential spouses of the mother body... The reason why the Great Lord had to take large amounts of drugs every day to support his 'fragile' body was due to excessive breeding.
If Han Dong were to kill the Great Lord, the mother body would likely be provoked into fury.
Below are the two probable outcomes to follow.
