diff --git a/code/modules/mob/living/simple_animal/constructs.dm b/code/modules/mob/living/simple_animal/constructs.dm
index ab354044d90..0c8e04e9c89 100644
--- a/code/modules/mob/living/simple_animal/constructs.dm
+++ b/code/modules/mob/living/simple_animal/constructs.dm
@@ -16,6 +16,7 @@
 	attack_sound = 'sound/weapons/punch1.ogg'
 	atmos_requirements = list("min_oxy" = 0, "max_oxy" = 0, "min_tox" = 0, "max_tox" = 0, "min_co2" = 0, "max_co2" = 0, "min_n2" = 0, "max_n2" = 0)
 	minbodytemp = 0
+	maxbodytemp = INFINITY
 	healable = 0
 	faction = list("cult")
 	flying = 1
diff --git a/code/modules/mob/living/simple_animal/guardian/guardian.dm b/code/modules/mob/living/simple_animal/guardian/guardian.dm
index 5faa40dbe20..b9a2a102043 100644
--- a/code/modules/mob/living/simple_animal/guardian/guardian.dm
+++ b/code/modules/mob/living/simple_animal/guardian/guardian.dm
@@ -16,10 +16,10 @@
 	attack_sound = 'sound/weapons/punch1.ogg'
 	atmos_requirements = list("min_oxy" = 0, "max_oxy" = 0, "min_tox" = 0, "max_tox" = 0, "min_co2" = 0, "max_co2" = 0, "min_n2" = 0, "max_n2" = 0)
 	minbodytemp = 0
-	maxbodytemp = 10000000
+	maxbodytemp = INFINITY
 	attacktext = "punches"
-	maxHealth = 100000 //The spirit itself is invincible
-	health = 100000
+	maxHealth = INFINITY //The spirit itself is invincible
+	health = INFINITY
 	environment_smash = 0
 	melee_damage_lower = 15
 	melee_damage_upper = 15
diff --git a/code/modules/mob/living/simple_animal/shade.dm b/code/modules/mob/living/simple_animal/shade.dm
index 3914c74e65c..955ccacb23d 100644
--- a/code/modules/mob/living/simple_animal/shade.dm
+++ b/code/modules/mob/living/simple_animal/shade.dm
@@ -18,7 +18,7 @@
 	melee_damage_upper = 15
 	attacktext = "metaphysically strikes"
 	minbodytemp = 0
-	maxbodytemp = 4000
+	maxbodytemp = INFINITY
 	atmos_requirements = list("min_oxy" = 0, "max_oxy" = 0, "min_tox" = 0, "max_tox" = 0, "min_co2" = 0, "max_co2" = 0, "min_n2" = 0, "max_n2" = 0)
 	speed = -1
 	stop_automated_movement = 1
diff --git a/code/modules/mob/living/simple_animal/slaughter/slaughter.dm b/code/modules/mob/living/simple_animal/slaughter/slaughter.dm
index e616aa4fb42..bf12a5b8592 100644
--- a/code/modules/mob/living/simple_animal/slaughter/slaughter.dm
+++ b/code/modules/mob/living/simple_animal/slaughter/slaughter.dm
@@ -19,6 +19,7 @@
 	attack_sound = 'sound/magic/demon_attack1.ogg'
 	atmos_requirements = list("min_oxy" = 0, "max_oxy" = 0, "min_tox" = 0, "max_tox" = 0, "min_co2" = 0, "max_co2" = 0, "min_n2" = 0, "max_n2" = 0)
 	minbodytemp = 0
+	maxbodytemp = INFINITY
 	faction = list("slaughter")
 	attacktext = "wildly tears into"
 	maxHealth = 200