Conan Exiles

[Vllad]

So did they go through the foundations, or break in and start destroying walls? I had upgraded all of the bottom floor to T3 foundations and outer walls (not enough resources for T3 inner walls)

Yep, they not only destroyed a bunch on the outside but some of the inside walls as well. They made it to the middle of the building until we could kill enough to slow down the momentum. 
I am getting better and learning how to use redundancy to keep things intact as much as possible.