diff --git a/environment.cpp b/environment.cpp
index da93956f..f80eb583 100644
--- a/environment.cpp
+++ b/environment.cpp
@@ -578,6 +578,8 @@ EX void moverefresh(bool turn IS(true)) {
 
     else if(isFire(c)) {
       if(c->monst == moSalamander) c->stuntime = max<int>(c->stuntime, 1);
+      else if(c->monst == moVaulter && c->mondir == JUMP)
+        c->mondir = NODIR;
       else if(c->monst && !survivesFire(c->monst) && !isWorm(c->monst)) {
         addMessage(XLAT("%The1 burns!", c->monst));
         if(isBull(c->monst)) {
diff --git a/monstermove.cpp b/monstermove.cpp
index 81e8ef32..0cccb647 100644
--- a/monstermove.cpp
+++ b/monstermove.cpp
@@ -159,8 +159,12 @@ EX void moveMonster(const movei& mi) {
   if(mi.d == JUMP && m == moVaulter) {
     cell *cm = common_neighbor(cf, ct);
     if(cm->wall == waShrub) cm->wall = waNone;
+    if(cm->wall == waSmallTree) cm->wall = waNone;
+    if(cm->wall == waBigTree) cm->wall = waSmallTree;
+    if(cm->wall == waExplosiveBarrel) explodeBarrel(cm);
     if(cm->monst)
       attackMonster(cm, AF_NORMAL | AF_MSG | AF_GETPLAYER, m);
+    ct->mondir = JUMP;
     }
 
   if(isLeader(m)) {
diff --git a/orbs.cpp b/orbs.cpp
index a2f3df82..2665e455 100644
--- a/orbs.cpp
+++ b/orbs.cpp
@@ -1127,13 +1127,14 @@ EX int check_vault(cell *cf, cell *ct, flagtype flags, cell*& jumpthru) {
     }
   jumpthru = c2;
   if(!c2) return 0;
-  if(!c2->monst && c2->wall != waShrub) return 1;
+  bool cutwall = among(c2->wall, waShrub, waExplosiveBarrel, waSmallTree, waBigTree);
+  if(!c2->monst && !cutwall) return 1;
   bool for_monster = !(flags & P_ISPLAYER);
   if(for_monster && c2->monst && frog_power(c2->monst) && !items[itOrbDiscord]) return 1; 
   if(c3) return 2;
-  if(c2->wall != waShrub && !passable(c2, cwt.at, flags | P_JUMP1 | P_MONSTER)) return 3;
+  if(!cutwall && !passable(c2, cwt.at, flags | P_JUMP1 | P_MONSTER)) return 3;
   if(!passable(ct, c2, flags | P_JUMP2)) return 4;
-  if(c2->wall != waShrub && !canAttack(cwt.at, moPlayer, c2, c2->monst, 0)) return 5;
+  if(!cutwall && !canAttack(cwt.at, moPlayer, c2, c2->monst, 0)) return 5;
   return 6;
   }
 
@@ -1254,6 +1255,17 @@ EX eItem targetRangedOrb(cell *c, orbAction a) {
         addMessage(XLAT("You chop down the shrub."));
         jumpthru->wall = waNone;
         }
+      if(jumpthru->wall == waSmallTree) {
+        addMessage(XLAT("You chop down the tree."));
+        jumpthru->wall = waNone;
+        }
+      if(jumpthru->wall == waBigTree) {
+        addMessage(XLAT("You start chopping down the tree."));
+        jumpthru->wall = waSmallTree;
+        }
+      if(jumpthru->wall == waExplosiveBarrel) {
+        explodeBarrel(jumpthru);
+        }
       if(m)
         attackMonster(jumpthru, AF_NORMAL | AF_MSG, moPlayer);
       k = tkills() - k;