diff --git a/monster/beholder/dread.arc b/monster/beholder/dread.arc
index 8962d2594..e0d5a567e 100644
--- a/monster/beholder/dread.arc
+++ b/monster/beholder/dread.arc
@@ -28,7 +28,7 @@ ac -10
 wc -20
 dam 25
 level 15
-resist_magic 100
+resist_magic 90
 resist_fire 100
 resist_poison 100
 resist_paralyze 100
diff --git a/monster/demon/Demon_Lord/demon_lord.arc b/monster/demon/Demon_Lord/demon_lord.arc
index 4abc23028..499272d1d 100644
--- a/monster/demon/Demon_Lord/demon_lord.arc
+++ b/monster/demon/Demon_Lord/demon_lord.arc
@@ -21,7 +21,7 @@ wc -30
 weight 8000000
 attacktype 5
 resist_fire 100
-resist_cold 95
+resist_cold 80
 resist_fear 100
 resist_holyword 90
 resist_godpower 90
diff --git a/monster/demon/GreatDemon/GreatDemon.arc b/monster/demon/GreatDemon/GreatDemon.arc
index 806a37bad..31cb6906e 100644
--- a/monster/demon/GreatDemon/GreatDemon.arc
+++ b/monster/demon/GreatDemon/GreatDemon.arc
@@ -23,7 +23,7 @@ sp 150
 maxsp 150
 hp 8000
 maxhp 8000
-exp 150000
+exp 250000
 ac -11
 dam 80
 wc -50
@@ -34,7 +34,7 @@ resist_fire 100
 resist_confusion 100
 resist_poison 100
 
-resist_magic 90
+resist_magic 80
 resist_godpower 90
 resist_holyword 90
 
diff --git a/monster/giant/JessyB/jessyb.arc b/monster/giant/JessyB/jessyb.arc
index de34c1276..97a403eb3 100644
--- a/monster/giant/JessyB/jessyb.arc
+++ b/monster/giant/JessyB/jessyb.arc
@@ -10,8 +10,8 @@ jessyb.113
 jessyb.112
 mina
 attacktype 65023
-resist_physical 100
-resist_magic 90
+resist_physical 95
+resist_magic 80
 resist_fire 100
 resist_cold 100
 resist_confusion 100