The sudden explosion of the maids caused caused not just Sar'har but Yusuf and Rosa to dodge for dear life.
Destroying well enough a good chunk of the parts of the mansion that they fought at as they all opted to come out of the mansion to access the damage and move from there.
However, Jonas was still inside, his movement through the mansion was noticed by the viscountess but she paid it no mind, the others had real strength and aura about them, Jonas felt weak, an ant even. And that was why he was the perfect tool and also, the most fragile now that they had seen the capabilities of the maids.
Parts of the mansion that were weak before seemed to have weakened even more from the mere force of the explosions, falling and crumbling, these parts were just where Jonas lingered when the battle started.
