diff -BbuprN -x '*.0' srcbak/act.movement.c src/act.movement.c
--- srcbak/act.movement.c	2004-09-27 13:31:00.000000000 -0400
+++ src/act.movement.c	2004-09-27 13:26:07.000000000 -0400
@@ -29,6 +29,7 @@ void death_cry(struct char_data *ch);
 int find_eq_pos(struct char_data *ch, struct obj_data *obj, char *arg);
 int buildwalk(struct char_data *ch, int dir);
 struct obj_data *find_vehicle_by_vnum(int vnum);
+void timed_dt(struct char_data *ch);
 
 /* local functions */
 int has_boat(struct char_data *ch);
@@ -216,6 +217,9 @@ int do_simple_move(struct char_data *ch,
   if (ch->desc != NULL)
     look_at_room(IN_ROOM(ch), ch, 0);
 
+  if (ROOM_FLAGGED(IN_ROOM(ch), ROOM_TIMED_DT) && GET_LEVEL(ch) < LVL_IMMORT)
+     timed_dt(NULL);
+
   if (ROOM_FLAGGED(IN_ROOM(ch), ROOM_DEATH) && GET_LEVEL(ch) < LVL_IMMORT) {
     log_death_trap(ch);
     death_cry(ch);
diff -BbuprN -x '*.0' srcbak/comm.c src/comm.c
--- srcbak/comm.c	2004-09-27 13:31:17.000000000 -0400
+++ src/comm.c	2004-09-27 13:26:07.000000000 -0400
@@ -176,6 +176,7 @@ void Free_Invalid_List(void);
 void free_command_list(void);
 void load_config(void);
 void affect_update_violence(void);      /* In magic.c */
+void timed_dt(struct char_data *ch);
 
 #ifdef __CXREF__
 #undef FD_ZERO
@@ -1032,6 +1033,9 @@ void heartbeat(int heart_pulse)
   if (!(heart_pulse % PULSE_CURRENT))
     current_update();
 
+  if (!(heart_pulse % (30 * PASSES_PER_SEC)))
+    timed_dt(NULL);  
+
   /* Every pulse! Don't want them to stink the place up... */
   extract_pending_chars();
 }
diff -BbuprN -x '*.0' srcbak/constants.c src/constants.c
--- srcbak/constants.c	2004-09-27 13:25:32.000000000 -0400
+++ src/constants.c	2004-09-27 13:26:07.000000000 -0400
@@ -117,6 +117,8 @@ const char *room_bits[] = {
   "*",				/* BFS MARK */
   "VEHICLE",
   "UNDERGROUND",
+  "CURRENT",
+  "TIMED_DT",
   "\n"
 };
 
diff -BbuprN -x '*.0' srcbak/db.c src/db.c
--- srcbak/db.c	2004-09-27 13:25:32.000000000 -0400
+++ src/db.c	2004-09-27 13:26:07.000000000 -0400
@@ -1150,6 +1150,7 @@ void parse_room(FILE *fl, int virtual_nr
   world[room_nr].contents = NULL;
   world[room_nr].people = NULL;
   world[room_nr].light = 0;	/* Zero light sources */
+  world[room_nr].timed = -1;
 
   for (i = 0; i < NUM_OF_DIRS; i++)
     world[room_nr].dir_option[i] = NULL;
diff -BbuprN -x '*.0' srcbak/limits.c src/limits.c
--- srcbak/limits.c	2004-09-27 13:25:32.000000000 -0400
+++ src/limits.c	2004-09-27 13:26:07.000000000 -0400
@@ -536,3 +536,67 @@ void point_update(void)
     }
   }
 }
+
+void timed_dt(struct char_data *ch)
+{ 
+  struct char_data *vict;
+  room_rnum rrnum;
+  
+  if (ch == NULL) {
+  /* BY -WELCOR
+    first make sure all rooms in the world have thier 'timed'
+    value decreased if its not -1.
+    */
+  
+  for (rrnum = 0; rrnum < top_of_world; rrnum++)
+    world[rrnum].timed -= (world[rrnum].timed != -1);
+  
+  for (vict = character_list; vict ;vict = vict->next){
+    if (IS_NPC(vict))
+      continue;   
+
+    if (IN_ROOM(vict) == NOWHERE)
+      continue;
+    
+    if(!ROOM_FLAGGED(IN_ROOM(vict), ROOM_TIMED_DT))
+      continue;
+    
+    timed_dt(vict);
+   }
+  return;
+  }
+  
+  /*Called with a non-null ch. let's check the room. */
+  
+  /*if the room wasn't triggered (i.e timed wasn't set), just set it
+    and return again.
+  */
+  
+  if (world[IN_ROOM(ch)].timed < 0) {
+    world[IN_ROOM(ch)].timed = rand_number(2, 5);
+    return;
+  }
+  
+  /* We know ch is in a dt room with timed >= 0 - see if its the end.
+  *
+  */
+  if (world[IN_ROOM(ch)].timed == 0) {
+    for (vict = world[IN_ROOM(ch)].people; vict; vict = vict->next_in_room)
+     {
+       if (IS_NPC(vict))
+         continue;
+       if (GET_LEVEL(vict) >= LVL_IMMORT)
+         continue;
+
+    /* Skip those alread dead people */
+    /* extract char() jest sets the bit*/
+    if (PLR_FLAGGED(vict, PLR_NOTDEADYET))
+      continue;
+             
+       log_death_trap(vict);
+       death_cry(vict);
+       extract_char(vict);
+    }
+  }
+}
+
diff -BbuprN -x '*.0' srcbak/oasis.h src/oasis.h
--- srcbak/oasis.h	2004-09-27 13:25:32.000000000 -0400
+++ src/oasis.h	2004-09-27 13:26:07.000000000 -0400
@@ -31,7 +31,7 @@
  * Macros, defines, structs and globals for the OLC suite.  You will need
  * to adjust these numbers if you ever add more.
  */
-#define NUM_ROOM_FLAGS 		19
+#define NUM_ROOM_FLAGS 		20
 #define NUM_ROOM_SECTORS	10
 
 #define NUM_MOB_FLAGS		19
diff -BbuprN -x '*.0' srcbak/structs.h src/structs.h
--- srcbak/structs.h	2004-09-27 13:29:39.000000000 -0400
+++ src/structs.h	2004-09-27 13:26:07.000000000 -0400
@@ -102,7 +102,7 @@
 #define ROOM_VEHICLE     16  /* Requires a vehicle to pass       */
 #define ROOM_UNDERGROUND 17  /* Room is below ground      */
 #define ROOM_CURRENT     18
-
+#define ROOM_TIMED_DT    19
 
 /* Exit info: used in room_data.dir_option.exit_info */
 #define EX_ISDOOR		(1 << 0)   /* Exit is a door		*/
@@ -886,6 +886,8 @@ struct room_data {
 
    struct obj_data *contents;   /* List of items in room              */
    struct char_data *people;    /* List of NPC / PC in room           */
+
+   int timed;                   /* For timed Dt's                     */
 };
 /* ====================================================================== */