diff --git a/classes.cpp b/classes.cpp
index bc4298c7..1b39e50a 100644
--- a/classes.cpp
+++ b/classes.cpp
@@ -802,7 +802,7 @@ genderswitch_t genderswitch[NUM_GS] = {
 
 // --- items ---
 
-const int ittypes = 120;
+const int ittypes = 121;
 
 struct itemtype {
   char  glyph;
@@ -1203,6 +1203,7 @@ itemtype iinf[ittypes] = {
   { 'o', 0x30A080, "Orb of the Side II", NODESCYET},
   { 'o', 0x30D080, "Orb of the Side III", NODESCYET},
   { 'o', 0xD08030, "Orb of Lava", NODESCYET},
+  { 'o', 0x3080D0, "Orb of Morph", NODESCYET},
   };
 
 enum eItem { itNone, itDiamond, itGold, itSpice, itRuby, itElixir, itShard, itBone, itHell, itStatue,
@@ -1239,7 +1240,7 @@ enum eItem { itNone, itDiamond, itGold, itSpice, itRuby, itElixir, itShard, itBo
   itInventory,
   itLavaLily, itDogPlains, itBlizzard, itTerra,
   itOrbSide1, itOrbSide2, itOrbSide3,
-  itOrbLava
+  itOrbLava, itOrbMorph
   };
 
 // --- wall types ---
diff --git a/flags.cpp b/flags.cpp
index c2858917..fc848a6c 100644
--- a/flags.cpp
+++ b/flags.cpp
@@ -103,7 +103,7 @@ bool isNonliving(eMonster m) {
     m == moZombie || m == moGhost || m == moShadow || m == moSkeleton ||
     m == moEvilGolem || m == moIllusion || m == moEarthElemental || 
     m == moWaterElemental || m == moDraugr || m == moTerraWarrior ||
-    m == moIceGolem || m == moVoidBeast;
+    m == moIceGolem || m == moVoidBeast || m == moJiangshi;
   }
 
 bool isMetalBeast(eMonster m) {
diff --git a/game.cpp b/game.cpp
index ae2105b5..0d5369ce 100644
--- a/game.cpp
+++ b/game.cpp
@@ -419,10 +419,12 @@ bool boatGoesThrough(cell *c) {
     c->wall == waCavefloor || c->wall == waFrozenLake || isReptile(c->wall) ||
     c->wall == waDeadfloor || c->wall == waCIsland || c->wall == waCIsland2 ||
     c->wall == waMineUnknown || c->wall == waMineMine || c->wall == waMineOpen ||
-    c->wall == waBonfireOff || c->wall == waFire || c->wall == waPartialFire;
+    c->wall == waBonfireOff || c->wall == waFire || c->wall == waPartialFire ||
+    c->wall == waArrowTrap;
   }
 
 void placeWater(cell *c, cell *c2) {
+  destroyTrapsOn(c);
   if(isWatery(c)) ;
   else if(c2 && isAlchAny(c2))
     c->wall = c2->wall;
@@ -1390,6 +1392,7 @@ void prespill(cell* c, eWall t, int rad, cell *from) {
     c->wall == waBarrowDig || c->wall == waBarrowWall ||
     c->wall == waMirrorWall)
     return;
+  destroyTrapsOn(c);
   // these walls block further spilling
   if(c->wall == waCavewall || cellUnstable(c) || c->wall == waSulphur ||
     c->wall == waSulphurC || c->wall == waLake || c->wall == waChasm ||
@@ -1451,7 +1454,7 @@ bool earthFloor(cell *c) {
   if(c->monst) return false;
   if(c->wall == waDeadwall) { c->wall = waDeadfloor; return true; }
   if(c->wall == waDune) { c->wall = waNone; return true; }
-  if(c->wall == waStone) { c->wall = waNone; return true; }
+  if(c->wall == waStone && c->land != laTerracotta) { c->wall = waNone; return true; }
   if(c->wall == waAncientGrave || c->wall == waFreshGrave) {
     c->wall = waNone;
     return true;
@@ -1468,6 +1471,10 @@ bool earthFloor(cell *c) {
     c->wall = waNone;
   if(c->wall == waBoat && c->land == laWarpSea)
     c->wall = waStrandedBoat;
+  if(c->wall == waMercury) {
+    c->wall = waNone;
+    return true;
+    }
   if((c->wall == waBarrowDig || c->wall == waBarrowWall) && c->land == laBurial) {
     c->item = itNone;
     c->wall = waNone;
@@ -1477,6 +1484,10 @@ bool earthFloor(cell *c) {
     c->wall = waNone;
     return true;
     }
+  if(c->wall == waChasm && c->land == laDogPlains) {
+    c->wall = waNone;
+    return true;
+    }
   return false;
   }
 
@@ -1510,6 +1521,20 @@ bool earthWall(cell *c) {
     c->wall = waBarrowDig;
     return true;
     }
+  if(c->wall == waNone && c->land == laDogPlains) {
+    c->item = itNone;
+    c->wall = waChasm;
+    return true;
+    }
+  if(c->wall == waNone && c->land == laTerracotta) {
+    c->wall = waMercury;
+    return true;
+    }
+  if(c->wall == waArrowTrap && c->land == laTerracotta) {
+    destroyTrapsOn(c);
+    c->wall = waMercury;
+    return true;
+    }
   if(c->wall == waCIsland || c->wall == waCIsland2 || (c->wall == waNone && c->land == laOcean)) {
     c->item = itNone;
     c->wall = waSea;
@@ -1570,6 +1595,7 @@ bool snakepile(cell *c, eMonster m) {
   }
 
 bool makeflame(cell *c, int timeout, bool checkonly) {
+  destroyTrapsOn(c);
   if(itemBurns(c->item)) {
     if(checkonly) return true;
     addMessage(XLAT("%The1 burns!", c->item)), c->item = itNone;
@@ -1637,6 +1663,7 @@ void explodeMine(cell *c) {
   
   for(int i=0; i<c->type; i++) if(c->mov[i]) {
     cell *c2 = c->mov[i];
+    destroyTrapsOn(c2);
     if(c2->wall == waRed2 || c2->wall == waRed3)
       c2->wall = waRed1;
     else if(c2->wall == waDeadTroll || c2->wall == waDeadTroll2 || c2->wall == waPetrified || c2->wall == waGargoyle) {
@@ -2915,6 +2942,14 @@ void toggleGates(cell *ct, eWall type) {
     playSound(ct, "opengate");
   }
 
+void destroyTrapsOn(cell *c) {
+  if(c->wall == waArrowTrap) c->wall = waNone, destroyTrapsAround(c);
+  }
+
+void destroyTrapsAround(cell *c) {
+  forCellEx(c2, c) destroyTrapsOn(c2);
+  }
+
 void destroyWeakBranch(cell *cf, cell *ct, eMonster who) {
   if(cf && ct && cf->wall == waWeakBranch && cellEdgeUnstable(ct) &&
     gravityLevel(ct) >= gravityLevel(cf) && !ignoresPlates(who)) {
@@ -3688,6 +3723,7 @@ cell *moveNormal(cell *c, flagtype mf) {
     }
   }
 
+// for sandworms
 void explodeAround(cell *c) {
   for(int j=0; j<c->type; j++) {
     cell* c2 = c->mov[j];
@@ -3711,7 +3747,7 @@ void explodeAround(cell *c) {
       if(c2->wall == waGargoyleBridge || c2->wall == waPetrifiedBridge) placeWater(c2, c2);
       if(c2->wall == waRubble) c2->wall = waNone;
       if(c2->wall == waPlatform) c2->wall = waNone;
-      if(c2->wall == waStone) c2->wall = waNone;
+      if(c2->wall == waStone) c2->wall = waNone, destroyTrapsAround(c2);
       if(c2->wall == waRose) c2->wall = waNone;
       if(c2->wall == waLadder) c2->wall = waNone;
       if(c2->wall == waGargoyle) c2->wall = waNone;
diff --git a/hyper.h b/hyper.h
index 1dffeddd..f997e8e1 100644
--- a/hyper.h
+++ b/hyper.h
@@ -1575,3 +1575,6 @@ extern int hardness_empty();
 extern eWall getElementalWall(eLand l);
 
 void gainItem(eItem it);
+
+void destroyTrapsOn(cell *c);
+void destroyTrapsAround(cell *c);
diff --git a/orbs.cpp b/orbs.cpp
index bbe1fdb2..edcbdeb5 100644
--- a/orbs.cpp
+++ b/orbs.cpp
@@ -171,7 +171,7 @@ void flashCell(cell *c, eMonster killer, flagtype flags) {
   if(c->wall == waGargoyleBridge)  placeWater(c, c);
   if(c->wall == waGargoyle)  c->wall = waNone;
   if(c->wall == waPlatform)  c->wall = waNone;
-  if(c->wall == waStone)     c->wall = waNone;
+  if(c->wall == waStone)     c->wall = waNone, destroyTrapsAround(c);
   if(c->wall == waRubble)    c->wall = waNone;
   if(c->wall == waDeadwall)  c->wall = waDeadfloor2;
   if(c->wall == waGiantRug)  c->wall = waNone;
@@ -377,7 +377,8 @@ void castLightningBolt(cellwalker lig) {
 
     if(c->wall == waBigStatue) c->wall = waNone, spin = true;
     if(c->wall == waColumn)    c->wall = waNone, spin = true;
-    if(c->wall == waStone)     c->wall = waNone, brk = true;
+    if(c->wall == waStone)     c->wall = waNone, brk = true, destroyTrapsAround(c);
+    if(c->wall == waArrowTrap) activateArrowTrap(c);
     
     if(c->wall == waCanopy || c->wall == waTrunk || c->wall == waBigBush || c->wall == waSmallBush) {
       makeflame(c, 12, false); brk = true;
@@ -674,7 +675,7 @@ eMonster summonedAt(cell *dest) {
     return moReptile;
   if(dest->wall == waChasm)
     return moAirElemental;
-  if(isFire(dest))
+  if(isFire(dest) || dest->wall == waMagma)
     return moFireElemental;
   if(dest->wall == waCavewall || dest->wall == waDeadwall)
     return moSeep;
@@ -733,6 +734,10 @@ eMonster summonedAt(cell *dest) {
     if(dest->land == laDragon) return moFireElemental;
     if(dest->land == laTortoise) return moTortoise;
     if(dest->land == laBurial) return moEarthElemental;
+    if(dest->land == laVolcano) return moFireElemental;
+    if(dest->land == laBlizzard) return moAirElemental;
+    if(dest->land == laDogPlains) return moAirElemental;
+    if(dest->land == laTerracotta) return moEarthElemental;
     if(isHaunted(dest->land)) return moGhost;
     }
   return moNone;
diff --git a/system.cpp b/system.cpp
index 321e165d..aeddca83 100644
--- a/system.cpp
+++ b/system.cpp
@@ -271,7 +271,7 @@ bool havesave = true;
 
 #if CAP_SAVE
 #define MAXBOX 500
-#define POSSCORE 308 // update this when new boxes are added!
+#define POSSCORE 324 // update this when new boxes are added!
 
 struct score {
   string ver;
@@ -624,7 +624,25 @@ void applyBoxes() {
   #else
   { int u; applyBoxNum(u); }
   #endif
-  
+
+  // 10.1:
+  applyBoxI(itLavaLily);
+  applyBoxI(itDogPlains);
+  applyBoxI(itBlizzard);
+  applyBoxI(itTerra);
+  applyBoxOrb(itOrbSide1);
+  applyBoxOrb(itOrbSide2);
+  applyBoxOrb(itOrbSide3);
+  applyBoxOrb(itOrbLava);
+  applyBoxOrb(itOrbMorph);
+  applyBoxM(moHunterDog);
+  applyBoxM(moIceGolem);
+  applyBoxM(moVoidBeast);
+  applyBoxM(moJiangshi);
+  applyBoxM(moTerraWarrior);
+  applyBoxM(moSalamander);
+  applyBoxM(moLavaWolf);
+
   if(POSSCORE != boxid) printf("ERROR: %d boxes\n", boxid);
   }