Van Helsing stood up and said, Now, my dear friends, we go forth to our terrible enterprise. Are we all armed, as we were on that night when first we visited our enemy's lair. Armed against ghostly as well as carnal attack?.
Someone's lair is the particular room or hiding place that they go to, especially when they want to get away from other people. The village was once a pirates' lair
A lair is a place where a wild animal lives, usually a place which is underground or well-hidden. a fox's lair