diff --git a/bigstuff.cpp b/bigstuff.cpp
index 25abc04a..44e8a01b 100644
--- a/bigstuff.cpp
+++ b/bigstuff.cpp
@@ -1565,6 +1565,7 @@ EX int wallchance(cell *c, bool deepOcean) {
     l == laCrossroads5 ? 10000 : 
     l == laCrossroads4 ? 5000 :
     l == laCrossroads6 ? 5000 :
+    l == laMasterCrossroads ? 10000 :
     (l == laMirror && !yendor::generating) ? 2500 :
     tactic::on ? 0 :
     racing::on ? 0 :
@@ -1831,6 +1832,9 @@ EX void build_walls(cell *c, cell *from) {
   else if(good_for_wall(c) && ls::any_wall() && c->land == laCrossroads4 && hrand(10000) < 7000 && c->land && !c->master->alt && !tactic::on && !racing::on && 
     buildBarrierNowall(c, getNewLand(laCrossroads4))) ;
 
+  else if(good_for_wall(c) && ls::any_wall() && c->land == laMasterCrossroads && hrand(10000) < 500 && c->land && !c->master->alt && !tactic::on && !racing::on &&
+    landUnlockedIngame(laCrossroads4) && buildBarrierNowall(c, laCrossroads4)) ;
+
   else if(good_for_wall(c) && ls::any_wall() && hrand(I10000) < 20 && !generatingEquidistant && !yendor::on && !tactic::on && !racing::on && !isCrossroads(c->land) &&
     landUnlockedIngame(laCrossroads4) && !weirdhyperbolic && !c->master->alt && c->bardir != NOBARRIERS &&
     !inmirror(c) && !isSealand(c->land) && !isHaunted(c->land) && !isGravityLand(c->land) && 
diff --git a/celldrawer.cpp b/celldrawer.cpp
index f576b4a6..d397970d 100644
--- a/celldrawer.cpp
+++ b/celldrawer.cpp
@@ -183,7 +183,7 @@ void celldrawer::setcolors() {
   // floor colors for all the lands
   else switch(c->land) {
     case laBurial: case laTrollheim: case laBarrier: case laOceanWall:
-    case laCrossroads2: case laCrossroads3: case laCrossroads4: case laCrossroads5: case laCrossroads6:
+    case laCrossroads2: case laCrossroads3: case laCrossroads4: case laCrossroads5: case laCrossroads6: case laMasterCrossroads:
     case laRose: case laPower: case laWildWest: case laHalloween: case laRedRock:
     case laDragon: case laStorms: case laTerracotta: case laMercuryRiver:
     case laDesert: case laKraken: case laDocks: 
diff --git a/content.cpp b/content.cpp
index ed5156ad..33826843 100644
--- a/content.cpp
+++ b/content.cpp
@@ -1754,6 +1754,9 @@ LAND( 0x7030A0, "Crossroads VI", laCrossroads6, ZERO, itHyperstone, RESERVED, "A
   NATIVE(0)
   REQ(ITEMS(itCursed, 5))
 
+LAND( 0xC0B090, "Master Crossroads", laMasterCrossroads, ZERO, itHyperstone, RESERVED, "A crossroads that connects only to other crossroads.")
+  NATIVE(0) REQ(GOLD(R500))
+
 ITEM('}', 0xFFFF80, "Crossbow", itCrossbow, IC_NAI, ZERO, RESERVED, osNone,
   "Your crossbow. Press 'f' or click it in the inventory to toggle firing mode. In firing mode, select a tile to see the trajectory, then "
   "click again to fire. After firing, the crossbow takes some time to reload."
diff --git a/landgen.cpp b/landgen.cpp
index 4336db5c..c375a78e 100644
--- a/landgen.cpp
+++ b/landgen.cpp
@@ -2520,6 +2520,7 @@ EX void giantLandSwitch(cell *c, int d, cell *from) {
     case laCrossroads4:
     case laCrossroads5:
     case laCrossroads6:
+    case laMasterCrossroads:
       if(c->wall == waTower) c->land = laCamelot;
       ONEMPTY {
         if(!BITRUNCATED && c->land == laCrossroads5 && hrand(100) < 60)
diff --git a/landlock.cpp b/landlock.cpp
index 0752c362..1213bd74 100644
--- a/landlock.cpp
+++ b/landlock.cpp
@@ -53,11 +53,15 @@ EX int landMultiplier(eLand l) {
   }
 
 EX bool isCrossroads(eLand l) {
-  return among(l, laCrossroads, laCrossroads2, laCrossroads3, laCrossroads4, laCrossroads5, laCrossroads6);
+  return among(l, laCrossroads, laCrossroads2, laCrossroads3, laCrossroads4, laCrossroads5, laCrossroads6, laMasterCrossroads);
+  }
+
+EX bool isCrossroadsNM(eLand l) {
+  return isCrossroads(l) && l != laMasterCrossroads;
   }
 
 EX bool bearsCamelot(eLand l) {
-  return isCrossroads(l) && l != laCrossroads2 && l != laCrossroads5;
+  return isCrossroads(l) && !among(l, laCrossroads2, laCrossroads5, laMasterCrossroads);
   }
 
 EX bool inmirror(const cellwalker& cw) {
@@ -333,7 +337,8 @@ EX bool voronoi_sea_incompatible(eLand l1, eLand l2) {
   }
 
 EX bool incompatible1(eLand l1, eLand l2) {
-  if(isCrossroads(l1) && isCrossroads(l2)) return true;
+  if(l1 == laMasterCrossroads && !isCrossroads(l2)) return true;
+  if(isCrossroadsNM(l1) && isCrossroadsNM(l2)) return true;
   if(l1 == laJungle && l2 == laMotion) return true;
   if(l1 == laMirrorOld && l2 == laMotion) return true;
   if(l1 == laPower && l2 == laWineyard) return true;
@@ -566,7 +571,7 @@ EX eLand getNewLand(eLand old) {
     laDeadCaves, laRedRock, laVariant, laHell, laCocytus, laPower,
     laBull, laTerracotta, laRose, laGraveyard, laHive, laDragon, laTrollheim,
     laWet, laFrog, laEclectic, laCursed, laDice,
-    laCrossroads5, laCrossroads6
+    laCrossroads5, laCrossroads6, laMasterCrossroads
     })
     if(landUnlocked(l)) tab[cnt++] = l;    
 
@@ -737,7 +742,7 @@ EX vector<eLand> land_over = {
   laPrairie, laBull, laTerracotta, laRose,
   laElementalWall, laTrollheim,
   laHell, laCrossroads3, laCocytus, laPower, laCrossroads4,
-  laCrossroads5, laCrossroads6,
+  laCrossroads5, laCrossroads6, laMasterCrossroads,
   // EXTRA
   laWildWest, laHalloween, laDual, laSnakeNest, laMagnetic, laCA, laAsteroids
   };