diff --git a/dat/Val-strt.lua b/dat/Val-strt.lua
index d5ce45f07..906500fcf 100644
--- a/dat/Val-strt.lua
+++ b/dat/Val-strt.lua
@@ -51,7 +51,6 @@ xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
 ]]);
 -- Dungeon Description
 des.region(selection.area(00,00,75,19), "lit")
-des.region(selection.area(27,08,42,12), "lit")
 -- Portal arrival point
 des.levregion({ region = {66,17,66,17}, type="branch" })
 -- Stairs
diff --git a/src/dogmove.c b/src/dogmove.c
index 6669f4c72..5a5f5f68a 100644
--- a/src/dogmove.c
+++ b/src/dogmove.c
@@ -1034,7 +1034,12 @@ dog_move(register struct monst *mtmp,
              * 60% to 80%:  up to level
              * 40% to 60%:  up to level - 1
              * 25% to 40%:  up to level - 2
-             *  below 25%:  prevented from attacking at all by a different case
+             *  below 25%:  won't attack peacefuls of any level (different case)
+             *  below 20%:  up to level - 3
+             *
+             * note that balk's maximum value is +3, as it is the lowest level
+             * the pet will balk at attacking rather than the highest level they
+             * are willing to attack; note the >= used when comparing it.
              */
             int balk = mtmp->m_lev + ((5 * mtmp->mhp) / mtmp->mhpmax) - 2;
 
diff --git a/src/dokick.c b/src/dokick.c
index 3c2a0c348..d6afaff42 100644
--- a/src/dokick.c
+++ b/src/dokick.c
@@ -1096,9 +1096,9 @@ dokick(void)
                 kick_dumb(x, y);
                 return ECMD_TIME;
             }
-            if ((Luck < 0 || g.maploc->doormask) && !rn2(3)) {
+            if ((Luck < 0 || g.maploc->looted) && !rn2(3)) {
+                g.maploc->looted = 0; /* don't leave loose ends.. */
                 g.maploc->typ = ROOM;
-                g.maploc->doormask = 0; /* don't leave loose ends.. */
                 (void) mkgold((long) rnd(200), x, y);
                 if (Blind)
                     pline("CRASH!  You destroy it.");
diff --git a/src/lock.c b/src/lock.c
index d2d934cb2..d41208450 100644
--- a/src/lock.c
+++ b/src/lock.c
@@ -600,7 +600,7 @@ pick_lock(
                     autounlock ? yname(pick) : "");
             c = ynq(qbuf);
             if (c != 'y')
-                return 0;
+                return PICKLOCK_DID_NOTHING;
 
             /* note: for !autounlock, 'apply' already did touch check */
             if (autounlock && !touch_artifact(pick, &g.youmonst))
diff --git a/src/makemon.c b/src/makemon.c
index dd6e3b439..b1bb5d90b 100644
--- a/src/makemon.c
+++ b/src/makemon.c
@@ -1273,7 +1273,7 @@ makemon(
     case S_SNAKE:
         if (g.in_mklev)
             if (x && y)
-                (void) mkobj_at(0, x, y, TRUE);
+                (void) mkobj_at(RANDOM_CLASS, x, y, TRUE);
         (void) hideunder(mtmp);
         break;
     case S_LIGHT:
diff --git a/src/mklev.c b/src/mklev.c
index 4a7e35e51..f3eb47b0f 100644
--- a/src/mklev.c
+++ b/src/mklev.c
@@ -12,7 +12,7 @@
 static boolean generate_stairs_room_good(struct mkroom *, int);
 static struct mkroom *generate_stairs_find_room(void);
 static void generate_stairs(void);
-static void mkfount(int, struct mkroom *);
+static void mkfount(struct mkroom *);
 static boolean find_okay_roompos(struct mkroom *, coord *);
 static void mksink(struct mkroom *);
 static void mkaltar(struct mkroom *);
@@ -635,7 +635,7 @@ makeniche(int trap_type)
                         (void) mksobj_at(SCR_TELEPORTATION, xx, yy + dy, TRUE,
                                          FALSE);
                     if (!rn2(3))
-                        (void) mkobj_at(0, xx, yy + dy, TRUE);
+                        (void) mkobj_at(RANDOM_CLASS, xx, yy + dy, TRUE);
                 }
             }
             return;
@@ -789,7 +789,7 @@ fill_ordinary_room(struct mkroom *croom)
     if (Is_rogue_level(&u.uz))
         goto skip_nonrogue;
     if (!rn2(10))
-        mkfount(0, croom);
+        mkfount(croom);
     if (!rn2(60))
         mksink(croom);
     if (!rn2(60))
@@ -833,14 +833,14 @@ fill_ordinary_room(struct mkroom *croom)
 
  skip_nonrogue:
     if (!rn2(3) && somexyspace(croom, &pos)) {
-        (void) mkobj_at(0, pos.x, pos.y, TRUE);
+        (void) mkobj_at(RANDOM_CLASS, pos.x, pos.y, TRUE);
         trycnt = 0;
         while (!rn2(5)) {
             if (++trycnt > 100) {
                 impossible("trycnt overflow4");
                 break;
             }
-            (void) mkobj_at(0, pos.x, pos.y, TRUE);
+            (void) mkobj_at(RANDOM_CLASS, pos.x, pos.y, TRUE);
         }
     }
 }
@@ -1752,19 +1752,12 @@ generate_stairs(void)
 }
 
 static void
-mkfount(int mazeflag, struct mkroom *croom)
+mkfount(struct mkroom *croom)
 {
     coord m;
-    register int tryct = 0;
 
-    do {
-        if (++tryct > 200)
-            return;
-        if (mazeflag)
-            mazexy(&m);
-        else if (!somexy(croom, &m))
-            return;
-    } while (occupied(m.x, m.y) || bydoor(m.x, m.y));
+    if (!find_okay_roompos(croom, &m))
+        return;
 
     /* Put a fountain at m.x, m.y */
     if (!set_levltyp(m.x, m.y, FOUNTAIN))
diff --git a/src/mkmaze.c b/src/mkmaze.c
index bec803d3a..ea1ebdae4 100644
--- a/src/mkmaze.c
+++ b/src/mkmaze.c
@@ -1101,7 +1101,7 @@ makemaz(const char *s)
 
     for (x = rn1(8, 11); x; x--) {
         mazexy(&mm);
-        (void) mkobj_at(rn2(2) ? GEM_CLASS : 0, mm.x, mm.y, TRUE);
+        (void) mkobj_at(rn2(2) ? GEM_CLASS : RANDOM_CLASS, mm.x, mm.y, TRUE);
     }
     for (x = rn1(10, 2); x; x--) {
         mazexy(&mm);