diff --git a/data/core/images/terrain/castle/orcish/fort-concave-bl.png b/data/core/images/terrain/castle/orcish/fort-concave-bl.png
index 9a2d2a42dcc..0862a27483b 100644
Binary files a/data/core/images/terrain/castle/orcish/fort-concave-bl.png and b/data/core/images/terrain/castle/orcish/fort-concave-bl.png differ
diff --git a/data/core/images/terrain/castle/orcish/fort-concave-br.png b/data/core/images/terrain/castle/orcish/fort-concave-br.png
index 4e11f11bc48..4ed189fb6dc 100644
Binary files a/data/core/images/terrain/castle/orcish/fort-concave-br.png and b/data/core/images/terrain/castle/orcish/fort-concave-br.png differ
diff --git a/data/core/images/terrain/castle/orcish/fort-concave-l.png b/data/core/images/terrain/castle/orcish/fort-concave-l.png
index dbbd7387b3e..fc817a13ae5 100644
Binary files a/data/core/images/terrain/castle/orcish/fort-concave-l.png and b/data/core/images/terrain/castle/orcish/fort-concave-l.png differ
diff --git a/data/core/images/terrain/castle/orcish/fort-concave-r.png b/data/core/images/terrain/castle/orcish/fort-concave-r.png
index 3c1b4858515..edf25982d18 100644
Binary files a/data/core/images/terrain/castle/orcish/fort-concave-r.png and b/data/core/images/terrain/castle/orcish/fort-concave-r.png differ
diff --git a/data/core/images/terrain/castle/orcish/fort-concave-tl.png b/data/core/images/terrain/castle/orcish/fort-concave-tl.png
index 1f174082d5b..564746fce83 100644
Binary files a/data/core/images/terrain/castle/orcish/fort-concave-tl.png and b/data/core/images/terrain/castle/orcish/fort-concave-tl.png differ
diff --git a/data/core/images/terrain/castle/orcish/fort-concave-tr.png b/data/core/images/terrain/castle/orcish/fort-concave-tr.png
index baeeedf6dcb..791e0ae7379 100644
Binary files a/data/core/images/terrain/castle/orcish/fort-concave-tr.png and b/data/core/images/terrain/castle/orcish/fort-concave-tr.png differ
diff --git a/data/core/images/terrain/castle/orcish/fort-convex-bl.png b/data/core/images/terrain/castle/orcish/fort-convex-bl.png
index cb80ba4194d..ce76c307ca1 100644
Binary files a/data/core/images/terrain/castle/orcish/fort-convex-bl.png and b/data/core/images/terrain/castle/orcish/fort-convex-bl.png differ
diff --git a/data/core/images/terrain/castle/orcish/fort-convex-br.png b/data/core/images/terrain/castle/orcish/fort-convex-br.png
index 5e675add5ca..2c54cb02b35 100644
Binary files a/data/core/images/terrain/castle/orcish/fort-convex-br.png and b/data/core/images/terrain/castle/orcish/fort-convex-br.png differ
diff --git a/data/core/images/terrain/castle/orcish/fort-convex-l.png b/data/core/images/terrain/castle/orcish/fort-convex-l.png
index 408c0fd26bc..1e4ca124198 100644
Binary files a/data/core/images/terrain/castle/orcish/fort-convex-l.png and b/data/core/images/terrain/castle/orcish/fort-convex-l.png differ
diff --git a/data/core/images/terrain/castle/orcish/fort-convex-r.png b/data/core/images/terrain/castle/orcish/fort-convex-r.png
index bcc7ba5b421..07e97c609ee 100644
Binary files a/data/core/images/terrain/castle/orcish/fort-convex-r.png and b/data/core/images/terrain/castle/orcish/fort-convex-r.png differ
diff --git a/data/core/images/terrain/castle/orcish/fort-convex-tl.png b/data/core/images/terrain/castle/orcish/fort-convex-tl.png
index 1b740ea6ec0..b9ed62cfd07 100644
Binary files a/data/core/images/terrain/castle/orcish/fort-convex-tl.png and b/data/core/images/terrain/castle/orcish/fort-convex-tl.png differ
diff --git a/data/core/images/terrain/castle/orcish/fort-convex-tr.png b/data/core/images/terrain/castle/orcish/fort-convex-tr.png
index 12984b87150..b603e17c437 100644
Binary files a/data/core/images/terrain/castle/orcish/fort-convex-tr.png and b/data/core/images/terrain/castle/orcish/fort-convex-tr.png differ
diff --git a/data/core/images/terrain/castle/orcish/keep-concave-bl.png b/data/core/images/terrain/castle/orcish/keep-concave-bl.png
index 42989caa965..1d2443c3cec 100644
Binary files a/data/core/images/terrain/castle/orcish/keep-concave-bl.png and b/data/core/images/terrain/castle/orcish/keep-concave-bl.png differ
diff --git a/data/core/images/terrain/castle/orcish/keep-concave-br.png b/data/core/images/terrain/castle/orcish/keep-concave-br.png
index a8be39c2814..cb6cf3438e1 100644
Binary files a/data/core/images/terrain/castle/orcish/keep-concave-br.png and b/data/core/images/terrain/castle/orcish/keep-concave-br.png differ
diff --git a/data/core/images/terrain/castle/orcish/keep-concave-l.png b/data/core/images/terrain/castle/orcish/keep-concave-l.png
index b315dbd39c8..25af0db1151 100644
Binary files a/data/core/images/terrain/castle/orcish/keep-concave-l.png and b/data/core/images/terrain/castle/orcish/keep-concave-l.png differ
diff --git a/data/core/images/terrain/castle/orcish/keep-concave-r.png b/data/core/images/terrain/castle/orcish/keep-concave-r.png
index 9ad4b2f8a0d..b0b99684675 100644
Binary files a/data/core/images/terrain/castle/orcish/keep-concave-r.png and b/data/core/images/terrain/castle/orcish/keep-concave-r.png differ
diff --git a/data/core/images/terrain/castle/orcish/keep-concave-tl.png b/data/core/images/terrain/castle/orcish/keep-concave-tl.png
index 5b970af8d3d..791d03b949f 100644
Binary files a/data/core/images/terrain/castle/orcish/keep-concave-tl.png and b/data/core/images/terrain/castle/orcish/keep-concave-tl.png differ
diff --git a/data/core/images/terrain/castle/orcish/keep-concave-tr.png b/data/core/images/terrain/castle/orcish/keep-concave-tr.png
index eddfdc0a960..f6cec82f1cb 100644
Binary files a/data/core/images/terrain/castle/orcish/keep-concave-tr.png and b/data/core/images/terrain/castle/orcish/keep-concave-tr.png differ
diff --git a/data/core/images/terrain/castle/orcish/keep-convex-bl.png b/data/core/images/terrain/castle/orcish/keep-convex-bl.png
index cd13523f5ed..55f15c5a639 100644
Binary files a/data/core/images/terrain/castle/orcish/keep-convex-bl.png and b/data/core/images/terrain/castle/orcish/keep-convex-bl.png differ
diff --git a/data/core/images/terrain/castle/orcish/keep-convex-br.png b/data/core/images/terrain/castle/orcish/keep-convex-br.png
index 905e1049fad..674c9c8d154 100644
Binary files a/data/core/images/terrain/castle/orcish/keep-convex-br.png and b/data/core/images/terrain/castle/orcish/keep-convex-br.png differ
diff --git a/data/core/images/terrain/castle/orcish/keep-convex-l.png b/data/core/images/terrain/castle/orcish/keep-convex-l.png
index 2c06523b53f..e9088737ac5 100644
Binary files a/data/core/images/terrain/castle/orcish/keep-convex-l.png and b/data/core/images/terrain/castle/orcish/keep-convex-l.png differ
diff --git a/data/core/images/terrain/castle/orcish/keep-convex-r.png b/data/core/images/terrain/castle/orcish/keep-convex-r.png
index 6e340f3bed3..7ded1f871f3 100644
Binary files a/data/core/images/terrain/castle/orcish/keep-convex-r.png and b/data/core/images/terrain/castle/orcish/keep-convex-r.png differ
diff --git a/data/core/images/terrain/castle/orcish/keep-convex-tl.png b/data/core/images/terrain/castle/orcish/keep-convex-tl.png
index 50a604194fe..ec2bb53bedd 100644
Binary files a/data/core/images/terrain/castle/orcish/keep-convex-tl.png and b/data/core/images/terrain/castle/orcish/keep-convex-tl.png differ
diff --git a/data/core/images/terrain/castle/orcish/keep-convex-tr.png b/data/core/images/terrain/castle/orcish/keep-convex-tr.png
index e00862fc184..455a649697b 100644
Binary files a/data/core/images/terrain/castle/orcish/keep-convex-tr.png and b/data/core/images/terrain/castle/orcish/keep-convex-tr.png differ
diff --git a/data/core/images/terrain/castle/orcish/keep-fort-ccw-bl.png b/data/core/images/terrain/castle/orcish/keep-fort-ccw-bl.png
index 7130055ebe4..676b57d3ee0 100644
Binary files a/data/core/images/terrain/castle/orcish/keep-fort-ccw-bl.png and b/data/core/images/terrain/castle/orcish/keep-fort-ccw-bl.png differ
diff --git a/data/core/images/terrain/castle/orcish/keep-fort-ccw-br.png b/data/core/images/terrain/castle/orcish/keep-fort-ccw-br.png
index 057c275900a..9936e9dd36c 100644
Binary files a/data/core/images/terrain/castle/orcish/keep-fort-ccw-br.png and b/data/core/images/terrain/castle/orcish/keep-fort-ccw-br.png differ
diff --git a/data/core/images/terrain/castle/orcish/keep-fort-ccw-l.png b/data/core/images/terrain/castle/orcish/keep-fort-ccw-l.png
index 6de28d3e526..99ec2cd36d7 100644
Binary files a/data/core/images/terrain/castle/orcish/keep-fort-ccw-l.png and b/data/core/images/terrain/castle/orcish/keep-fort-ccw-l.png differ
diff --git a/data/core/images/terrain/castle/orcish/keep-fort-ccw-r.png b/data/core/images/terrain/castle/orcish/keep-fort-ccw-r.png
index 95e54fa7cca..ebd9c5eb6a6 100644
Binary files a/data/core/images/terrain/castle/orcish/keep-fort-ccw-r.png and b/data/core/images/terrain/castle/orcish/keep-fort-ccw-r.png differ
diff --git a/data/core/images/terrain/castle/orcish/keep-fort-ccw-tl.png b/data/core/images/terrain/castle/orcish/keep-fort-ccw-tl.png
index 50a604194fe..b098a9dd8c7 100644
Binary files a/data/core/images/terrain/castle/orcish/keep-fort-ccw-tl.png and b/data/core/images/terrain/castle/orcish/keep-fort-ccw-tl.png differ
diff --git a/data/core/images/terrain/castle/orcish/keep-fort-ccw-tr.png b/data/core/images/terrain/castle/orcish/keep-fort-ccw-tr.png
index e00862fc184..f772b3ce871 100644
Binary files a/data/core/images/terrain/castle/orcish/keep-fort-ccw-tr.png and b/data/core/images/terrain/castle/orcish/keep-fort-ccw-tr.png differ
diff --git a/data/core/images/terrain/castle/orcish/keep-fort-concave-tr.png b/data/core/images/terrain/castle/orcish/keep-fort-concave-tr.png
new file mode 100644
index 00000000000..f6757cd7ee9
Binary files /dev/null and b/data/core/images/terrain/castle/orcish/keep-fort-concave-tr.png differ
diff --git a/data/core/images/terrain/castle/orcish/keep-fort-convex-bl.png b/data/core/images/terrain/castle/orcish/keep-fort-convex-bl.png
index cd13523f5ed..2425d46a8ff 100644
Binary files a/data/core/images/terrain/castle/orcish/keep-fort-convex-bl.png and b/data/core/images/terrain/castle/orcish/keep-fort-convex-bl.png differ
diff --git a/data/core/images/terrain/castle/orcish/keep-fort-convex-br.png b/data/core/images/terrain/castle/orcish/keep-fort-convex-br.png
index 01377a7dc20..539eb44d799 100644
Binary files a/data/core/images/terrain/castle/orcish/keep-fort-convex-br.png and b/data/core/images/terrain/castle/orcish/keep-fort-convex-br.png differ
diff --git a/data/core/images/terrain/castle/orcish/keep-fort-convex-l.png b/data/core/images/terrain/castle/orcish/keep-fort-convex-l.png
index 703b1e3014b..a952e55dfae 100644
Binary files a/data/core/images/terrain/castle/orcish/keep-fort-convex-l.png and b/data/core/images/terrain/castle/orcish/keep-fort-convex-l.png differ
diff --git a/data/core/images/terrain/castle/orcish/keep-fort-convex-r.png b/data/core/images/terrain/castle/orcish/keep-fort-convex-r.png
index 3b9c4e5dba6..0244a73b4bf 100644
Binary files a/data/core/images/terrain/castle/orcish/keep-fort-convex-r.png and b/data/core/images/terrain/castle/orcish/keep-fort-convex-r.png differ
diff --git a/data/core/images/terrain/castle/orcish/keep-fort-convex-tl.png b/data/core/images/terrain/castle/orcish/keep-fort-convex-tl.png
index 1a3fb77f828..acfd822ea1b 100644
Binary files a/data/core/images/terrain/castle/orcish/keep-fort-convex-tl.png and b/data/core/images/terrain/castle/orcish/keep-fort-convex-tl.png differ
diff --git a/data/core/images/terrain/castle/orcish/keep-fort-convex-tr.png b/data/core/images/terrain/castle/orcish/keep-fort-convex-tr.png
index 4a4710b09fa..fcf591a6810 100644
Binary files a/data/core/images/terrain/castle/orcish/keep-fort-convex-tr.png and b/data/core/images/terrain/castle/orcish/keep-fort-convex-tr.png differ
diff --git a/data/core/images/terrain/castle/orcish/keep-fort-cw-bl.png b/data/core/images/terrain/castle/orcish/keep-fort-cw-bl.png
index 4596f936847..61913e21c19 100644
Binary files a/data/core/images/terrain/castle/orcish/keep-fort-cw-bl.png and b/data/core/images/terrain/castle/orcish/keep-fort-cw-bl.png differ
diff --git a/data/core/images/terrain/castle/orcish/keep-fort-cw-br.png b/data/core/images/terrain/castle/orcish/keep-fort-cw-br.png
index f13f48b2bae..e9c0bd134be 100644
Binary files a/data/core/images/terrain/castle/orcish/keep-fort-cw-br.png and b/data/core/images/terrain/castle/orcish/keep-fort-cw-br.png differ
diff --git a/data/core/images/terrain/castle/orcish/keep-fort-cw-l.png b/data/core/images/terrain/castle/orcish/keep-fort-cw-l.png
index 8048302158e..5657597f4e2 100644
Binary files a/data/core/images/terrain/castle/orcish/keep-fort-cw-l.png and b/data/core/images/terrain/castle/orcish/keep-fort-cw-l.png differ
diff --git a/data/core/images/terrain/castle/orcish/keep-fort-cw-r.png b/data/core/images/terrain/castle/orcish/keep-fort-cw-r.png
index 627d49e5643..ab56eb544ad 100644
Binary files a/data/core/images/terrain/castle/orcish/keep-fort-cw-r.png and b/data/core/images/terrain/castle/orcish/keep-fort-cw-r.png differ
diff --git a/data/core/images/terrain/castle/orcish/keep-fort-cw-tl.png b/data/core/images/terrain/castle/orcish/keep-fort-cw-tl.png
index 50a604194fe..2c0fe745bbd 100644
Binary files a/data/core/images/terrain/castle/orcish/keep-fort-cw-tl.png and b/data/core/images/terrain/castle/orcish/keep-fort-cw-tl.png differ
diff --git a/data/core/images/terrain/castle/orcish/keep-fort-cw-tr.png b/data/core/images/terrain/castle/orcish/keep-fort-cw-tr.png
index e00862fc184..0e15d684991 100644
Binary files a/data/core/images/terrain/castle/orcish/keep-fort-cw-tr.png and b/data/core/images/terrain/castle/orcish/keep-fort-cw-tr.png differ