Sinister Copse is a Vampire Counts military recruitment building in Total War: Warhammer. The trees in Sylvania are as evil as its denizens, for they shelter many predators such as Fell Bats and Dire Wolves.
Background
Like much of the Empire, Sylvania is heavily wooded. Unlike other places though, the trees seem to crave blood. There are many tales of how a hut built too close to a copse was discovered to have a tree roots boring into the bodies of the unfortunates sleeping within. It's not just trees the smallfolk must be wary of, for in those sinister copses the fauna is as blood-hunger as the flora...