diff --git a/src/p_interaction.cpp b/src/p_interaction.cpp
index 0a615d3cc0..db6dcdc7d4 100644
--- a/src/p_interaction.cpp
+++ b/src/p_interaction.cpp
@@ -1053,8 +1053,8 @@ int P_DamageMobj (AActor *target, AActor *inflictor, AActor *source, int damage,
 				return -1;
 			}
 		}
-		// Handle passive damage modifiers (e.g. PowerProtection)
-		if (target->Inventory != NULL)
+		// Handle passive damage modifiers (e.g. PowerProtection), provided they are not afflicted with protection penetrating powers.
+		if ((target->Inventory != NULL) && !(flags & DMG_NO_PROTECT))
 		{
 			int olddam = damage;
 			target->Inventory->ModifyDamage(olddam, mod, damage, true);
@@ -1592,7 +1592,7 @@ bool AActor::OkayToSwitchTarget (AActor *other)
 
 bool P_PoisonPlayer (player_t *player, AActor *poisoner, AActor *source, int poison)
 {
-	if((player->cheats&CF_GODMODE) || (player->mo->flags2 & MF2_INVULNERABLE))
+	if((player->cheats&CF_GODMODE) || (player->mo->flags2 & MF2_INVULNERABLE) || (player->cheats & CF_GODMODE2))
 	{
 		return false;
 	}
@@ -1643,8 +1643,8 @@ void P_PoisonDamage (player_t *player, AActor *source, int damage,
 	{
 		return;
 	}
-	if (damage < TELEFRAG_DAMAGE && ((target->flags2 & MF2_INVULNERABLE) ||
-		(player->cheats & CF_GODMODE)))
+	if ((damage < TELEFRAG_DAMAGE && ((target->flags2 & MF2_INVULNERABLE) ||
+		(player->cheats & CF_GODMODE))) || (player->cheats & CF_GODMODE2))
 	{ // target is invulnerable
 		return;
 	}
diff --git a/src/p_local.h b/src/p_local.h
index f7e4738456..dec80ecaa1 100644
--- a/src/p_local.h
+++ b/src/p_local.h
@@ -560,6 +560,7 @@ enum EDmgFlags
 	DMG_PLAYERATTACK = 32,
 	DMG_FOILINVUL = 64,
 	DMG_FOILBUDDHA = 128,
+	DMG_NO_PROTECT = 256,
 };
 
 
diff --git a/src/thingdef/thingdef_codeptr.cpp b/src/thingdef/thingdef_codeptr.cpp
index 6a1cf6e674..a8f0a4d400 100644
--- a/src/thingdef/thingdef_codeptr.cpp
+++ b/src/thingdef/thingdef_codeptr.cpp
@@ -4832,6 +4832,7 @@ enum DMSS
 	DMSS_KILL				= 4,
 	DMSS_NOFACTOR			= 8,
 	DMSS_FOILBUDDHA			= 16,
+	DMSS_NOPROTECT			= 32,
 };
 
 static void DoDamage(AActor *dmgtarget, AActor *self, int amount, FName DamageType, int flags)
@@ -4847,6 +4848,8 @@ static void DoDamage(AActor *dmgtarget, AActor *self, int amount, FName DamageTy
 		dmgFlags += DMG_NO_ARMOR;
 	if (flags & DMSS_KILL) //Kill adds the value of the damage done to it. Allows for more controlled extreme death types.
 		amount += dmgtarget->health;
+	if (flags & DMSS_NOPROTECT) //Ignore PowerProtection.
+		dmgFlags += DMG_NO_PROTECT;
 
 	if (amount > 0)
 		P_DamageMobj(dmgtarget, self, self, amount, DamageType, dmgFlags); //Should wind up passing them through just fine.
diff --git a/wadsrc/static/actors/constants.txt b/wadsrc/static/actors/constants.txt
index f806f8224f..278d4b90f3 100644
--- a/wadsrc/static/actors/constants.txt
+++ b/wadsrc/static/actors/constants.txt
@@ -383,6 +383,7 @@ const int DMSS_AFFECTARMOR =	2;
 const int DMSS_KILL =			4;
 const int DMSS_NOFACTOR =		8;
 const int DMSS_FOILBUDDHA =		16;
+const int DMSS_NOPROTECT =		32;
 
 // Flags for A_AlertMonsters
 const int AMF_TARGETEMITTER = 1;