From the outside, the indoor height between their third floor and the ceiling should be around three and a half meters. Even if the domain includes the interior for about a meter, it wouldn't encompass people.
Of course, this requires the troops to get closer first. They also indicated that if the stealth attack fails, they will start a forceful assault.
Although there are some doubts about whether a forceful assault would lead to heavy casualties, "mercy bears no command," so this is not something Malin needs to worry about.
In any case, this is a very good method, so Malin left it entirely up to them to handle.
The Archers were arranged in the Bell Tower, shooting from high to low, at a straight distance of less than five hundred meters. The snow was light, and there was no wind; the Sharpshooters said this was a very rare, excellent live-fire shooting environment.