What does "evacuated" mean? - I got cold inside. What's going on, Mick?

It seems that I turned very pale, because Theodore started up in alarm, looking at my face, the werewolves and Longerin froze in bewilderment, and Roxy darted back and forth in front of us at the speed of a sewing machine.

“Lexi, just don’t worry,” Mikael said a phrase that made my heart convulsively clench. Your husband has everything under control. There is a small battle going on in the castle now. And in a couple of hours, this estate will again become the safest place on the entire planet.

– Battle? I exclaimed in shock. -...