diff --git a/lake_country/snake_pit/Chaos_lair1 b/lake_country/snake_pit/Chaos_lair1
index 65d621e02..1e90f177e 100644
--- a/lake_country/snake_pit/Chaos_lair1
+++ b/lake_country/snake_pit/Chaos_lair1
@@ -9,7 +9,7 @@ enter_x 16
 enter_y 30
 msg
 Created:  1995-06-04 Kundi, Xue (xkd@soda.berkeley.edu)
-Modified: 2021-07-25 Andreas Kirschbaum
+Modified: 2022-07-21 Rick Tanner
 endmsg
 maplore
 @def ChaosLair
@@ -18,6 +18,7 @@ The Lord of Chaos resides in this lair.
 @quest ChaosLair
 Main entrance, from Snake Pit.
 endmaplore
+reset_group lakecountry_chaos-lair
 end
 arch cave_15
 end
diff --git a/lake_country/snake_pit/Chaos_lair2 b/lake_country/snake_pit/Chaos_lair2
index 3e2141d23..9a3f2403a 100644
--- a/lake_country/snake_pit/Chaos_lair2
+++ b/lake_country/snake_pit/Chaos_lair2
@@ -10,8 +10,9 @@ enter_x 12
 enter_y 35
 msg
 Created:  1995-06-04 Kundi, Xue (xkd@soda.berkeley.edu)
-Modified: 2015-04-02 Rick Tanner
+Modified: 2022-07-21 Rick Tanner
 endmsg
+reset_group lakecountry_chaos-lair
 end
 arch pentagram_111
 hp 17
diff --git a/lake_country/snake_pit/Chaos_lair3 b/lake_country/snake_pit/Chaos_lair3
index faeacefb5..8a9af5797 100644
--- a/lake_country/snake_pit/Chaos_lair3
+++ b/lake_country/snake_pit/Chaos_lair3
@@ -9,8 +9,9 @@ enter_x 7
 enter_y 35
 msg
 Created:  1995-06-06 Kundi, Xue (xkd@soda.berkeley.edu)
-Modified: 2021-07-27 Saiapatsu
+Modified: 2022-07-21 Rick Tanner
 endmsg
+reset_group lakecountry_chaos-lair
 end
 arch large_stones
 end
diff --git a/lake_country/snake_pit/Chaos_lair4 b/lake_country/snake_pit/Chaos_lair4
index e7aae3cb9..840bc76c8 100644
--- a/lake_country/snake_pit/Chaos_lair4
+++ b/lake_country/snake_pit/Chaos_lair4
@@ -9,8 +9,9 @@ enter_x 9
 enter_y 20
 msg
 Created:  1995-06-06 Kundi, Xue (xkd@soda.berkeley.edu)
-Modified: 2015-04-02 Rick Tanner
+Modified: 2022-07-21 Rick Tanner
 endmsg
+reset_group lakecountry_chaos-lair
 end
 arch button_handle
 connected 1
diff --git a/lake_country/snake_pit/Takuse_lair b/lake_country/snake_pit/Takuse_lair
index 87477ffdf..6200b1712 100644
--- a/lake_country/snake_pit/Takuse_lair
+++ b/lake_country/snake_pit/Takuse_lair
@@ -8,8 +8,9 @@ enter_x 28
 enter_y 29
 msg
 Created:  1995-03-23 Kundi, Xue (xkd@soda.berkeley.edu)
-Modified: 2012-03-21 Rick Tanner
+Modified: 2022-07-21 Rick Tanner
 endmsg
+reset_group lakecountry_chaos-lair
 end
 arch dungeon_floor
 end
diff --git a/lake_country/snake_pit/pit b/lake_country/snake_pit/pit
index 66207de78..99844cfe0 100644
--- a/lake_country/snake_pit/pit
+++ b/lake_country/snake_pit/pit
@@ -9,8 +9,9 @@ enter_x 3
 enter_y 2
 msg
 Created:  1995-06-06 Kundi, Xue (xkd@soda.berkeley.edu)
-Modified: 2015-04-02 Rick Tanner
+Modified: 2022-07-21 Rick Tanner
 endmsg
+reset_group lakecountry_chaos-lair
 end
 arch large_stones
 end
diff --git a/lake_country/snake_pit/snakepit_1 b/lake_country/snake_pit/snakepit_1
index e89a63115..615dc95b4 100644
--- a/lake_country/snake_pit/snakepit_1
+++ b/lake_country/snake_pit/snakepit_1
@@ -9,8 +9,9 @@ enter_x 7
 enter_y 16
 msg
 Created:  1995-04-26 Kundi, Xue (xkd@soda.berkeley.edu)
-Modified: 2021-07-25 Andreas Kirschbaum
+Modified: 2022-07-21 Rick Tanner
 endmsg
+reset_group lakecountry_chaos-lair
 end
 arch cave_15
 end
diff --git a/lake_country/snake_pit/snakepit_2 b/lake_country/snake_pit/snakepit_2
index 75d4ad8a6..629e04190 100644
--- a/lake_country/snake_pit/snakepit_2
+++ b/lake_country/snake_pit/snakepit_2
@@ -9,8 +9,9 @@ enter_x 32
 enter_y 27
 msg
 Created:  1995-04-26 Kundi, Xue (xkd@soda.berkeley.edu)
-Modified: 2021-07-28 Saiapatsu
+Modified: 2022-07-21 Rick Tanner
 endmsg
+reset_group lakecountry_chaos-lair
 end
 arch large_stones
 end
diff --git a/lake_country/snake_pit/snakepit_3 b/lake_country/snake_pit/snakepit_3
index 4154233c3..6876fd25d 100644
--- a/lake_country/snake_pit/snakepit_3
+++ b/lake_country/snake_pit/snakepit_3
@@ -9,8 +9,9 @@ enter_x 18
 enter_y 29
 msg
 Created:  1995-06-04 Kundi, Xue (xkd@soda.berkeley.edu)
-Modified: 2021-07-21 Saiapatsu
+Modified: 2022-07-21 Rick Tanner
 endmsg
+reset_group lakecountry_chaos-lair
 end
 arch large_stones
 end
diff --git a/lake_country/snake_pit/snakepit_4 b/lake_country/snake_pit/snakepit_4
index 0f43dfc1a..90b7c34d3 100644
--- a/lake_country/snake_pit/snakepit_4
+++ b/lake_country/snake_pit/snakepit_4
@@ -8,8 +8,9 @@ enter_x 1
 enter_y 5
 msg
 Created:  1995-04-26 Kundi, Xue (xkd@soda.berkeley.edu)
-Modified: 2012-02-10 Rick Tanner
+Modified: 2022-07-21 Rick Tanner
 endmsg
+reset_group lakecountry_chaos-lair
 end
 arch large_stones
 end
diff --git a/lake_country/snake_pit/snakepit_5 b/lake_country/snake_pit/snakepit_5
index dabb618f2..f7eed975b 100644
--- a/lake_country/snake_pit/snakepit_5
+++ b/lake_country/snake_pit/snakepit_5
@@ -9,8 +9,9 @@ enter_x 2
 enter_y 15
 msg
 Created:  1995-04-26 Kundi, Xue (xkd@soda.berkeley.edu)
-Modified: 2019-08-06 Rick Tanner
+Modified: 2022-07-21 Rick Tanner
 endmsg
+reset_group lakecountry_chaos-lair
 end
 arch cave_15
 end