Fix Hammer Time error if target area contains empty hex (#1077)
Fix Hammer Time error if target area contains empty hex (#1077)

ShaneWalsh/AncientBeast,FreezingMoon/AncientBeast,thamaranth/AncientBeast,ShaneWalsh/AncientBeast,FreezingMoon/AncientBeast,FreezingMoon/AncientBeast,FreezingMoon/AncientBeast,thamaranth/AncientBeast