He successfully managed to renovate the building according to his taste and in an efficient way to manage the clan. Vikil was still unconscious and he undid the brain manipulating Yumeko yet, he kept the secret of holding Obscure sublimity with himself even though it is considered useless in awakening a dead person.
He needed Astaroth's assistance and for that, he'd need to kill but, he wanted to avoided needless killing and waited for his prey to make a move on him instead of taking the first step.
There were two factions exempting the Transgressors clan. One was a company controlled by a level four Regular and the other was a clan controlled by a level five Outlaw.
Taking these variables into account, he clearly knew they'd be making a move by the following week, that is If he survives the siege.