diff --git a/quests/mcz/castle1 b/quests/mcz/castle1
index b9af08917..b8f5f4422 100644
--- a/quests/mcz/castle1
+++ b/quests/mcz/castle1
@@ -5,6 +5,7 @@ width 20
 height 27
 msg
 Created:  1993-10-18
+Modified: 2008-05-06 Nicolas Weeger
 endmsg
 end
 arch dungeon_floor
@@ -2106,7 +2107,7 @@ y 6
 end
 arch locked_door2
 name Earth Door
-slaying set_individual_value earth
+slaying ra-gar-earth
 msg
 You need the Earth Key to open this
 door
@@ -2259,7 +2260,7 @@ y 6
 end
 arch locked_door2
 name Air Door
-slaying set_individual_value air
+slaying ra-gar-air
 msg
 You need the Air Key to open this door
 endmsg
@@ -2419,7 +2420,7 @@ y 6
 end
 arch locked_door2
 name Fire Door
-slaying set_individual_value fire
+slaying ra-gar-fire
 msg
 You need the Fire Key to open this doo
 endmsg
@@ -2599,7 +2600,7 @@ y 6
 end
 arch locked_door2
 name Water Door
-slaying set_individual_value water
+slaying ra-gar-water
 msg
 You need the Water Key to open this
 doo
diff --git a/quests/mcz/castle_air b/quests/mcz/castle_air
index 683b1ae3e..e307e4493 100644
--- a/quests/mcz/castle_air
+++ b/quests/mcz/castle_air
@@ -7,6 +7,7 @@ enter_x 9
 enter_y 16
 msg
 Created:  1993-10-19
+Modified: 2008-05-06 Nicolas Weeger
 endmsg
 end
 arch pstone_1
@@ -688,7 +689,7 @@ y 1
 carrying 100
 arch key2
 name Air Key
-slaying set_individual_value air
+slaying ra-gar-air
 end
 end
 arch pstone_1
diff --git a/quests/mcz/castle_earth b/quests/mcz/castle_earth
index bff3c255b..508c7feb8 100644
--- a/quests/mcz/castle_earth
+++ b/quests/mcz/castle_earth
@@ -5,6 +5,7 @@ width 9
 height 16
 msg
 Created:  1993-10-19
+Modified: 2008-05-06 Nicolas Weeger
 endmsg
 end
 arch dirtfloor
@@ -118,7 +119,7 @@ y 1
 carrying 100
 arch key2
 name Earth Key
-slaying set_individual_value earth
+slaying ra-gar-earth
 end
 end
 arch dirtfloor
diff --git a/quests/mcz/castle_fire b/quests/mcz/castle_fire
index 7ee062596..985117750 100644
--- a/quests/mcz/castle_fire
+++ b/quests/mcz/castle_fire
@@ -7,6 +7,7 @@ enter_x 7
 enter_y 14
 msg
 Created:  1993-10-19
+Modified: 2008-05-06 Nicolas Weeger
 endmsg
 end
 arch pstone_3
@@ -141,7 +142,7 @@ y 1
 carrying 100
 arch key2
 name Fire Key
-slaying set_individual_value fire
+slaying ra-gar-fire
 end
 end
 arch pstone_3
diff --git a/quests/mcz/castle_water b/quests/mcz/castle_water
index ffff6f4e9..1c396ba80 100644
--- a/quests/mcz/castle_water
+++ b/quests/mcz/castle_water
@@ -5,6 +5,7 @@ width 9
 height 16
 msg
 Created:  1993-10-19
+Modified: 2008-05-06 Nicolas Weeger
 endmsg
 end
 arch sea1
@@ -859,7 +860,7 @@ generator 0
 can_cast_spell 1
 arch key2
 name Water Key
-slaying set_individual_value water
+slaying ra-gar-water
 end
 end
 arch glue