diff --git a/lib/campaign/CampaignState.cpp b/lib/campaign/CampaignState.cpp
index f1fa305cb..367a00e0e 100644
--- a/lib/campaign/CampaignState.cpp
+++ b/lib/campaign/CampaignState.cpp
@@ -325,7 +325,7 @@ void CampaignState::setCurrentMapAsConquered(std::vector<CGHeroInstance *> heroe
 {
 	range::sort(heroes, [](const CGHeroInstance * a, const CGHeroInstance * b)
 	{
-		return a->getHeroStrength() > b->getHeroStrength();
+		return a->getHeroStrengthForCampaign() > b->getHeroStrengthForCampaign();
 	});
 
 	logGlobal->info("Scenario %d of campaign %s (%s) has been completed", currentMap->getNum(), getFilename(), getNameTranslated());
diff --git a/lib/mapObjects/CGHeroInstance.cpp b/lib/mapObjects/CGHeroInstance.cpp
index 2eeeafdb9..b470517bd 100644
--- a/lib/mapObjects/CGHeroInstance.cpp
+++ b/lib/mapObjects/CGHeroInstance.cpp
@@ -663,11 +663,21 @@ double CGHeroInstance::getMagicStrength() const
 	return sqrt((1.0 + 0.05*getPrimSkillLevel(PrimarySkill::KNOWLEDGE) * mana / manaLimit()) * (1.0 + 0.05*getPrimSkillLevel(PrimarySkill::SPELL_POWER) * mana / manaLimit()));
 }
 
+double CGHeroInstance::getMagicStrengthForCampaign() const
+{
+	return sqrt((1.0 + 0.05 * getPrimSkillLevel(PrimarySkill::KNOWLEDGE)) * (1.0 + 0.05 * getPrimSkillLevel(PrimarySkill::SPELL_POWER)));
+}
+
 double CGHeroInstance::getHeroStrength() const
 {
 	return sqrt(pow(getFightingStrength(), 2.0) * pow(getMagicStrength(), 2.0));
 }
 
+double CGHeroInstance::getHeroStrengthForCampaign() const
+{
+	return sqrt(pow(getFightingStrength(), 2.0) * pow(getMagicStrengthForCampaign(), 2.0));
+}
+
 ui64 CGHeroInstance::getTotalStrength() const
 {
 	double ret = getHeroStrength() * getArmyStrength();
diff --git a/lib/mapObjects/CGHeroInstance.h b/lib/mapObjects/CGHeroInstance.h
index 2ad2811a9..da4563247 100644
--- a/lib/mapObjects/CGHeroInstance.h
+++ b/lib/mapObjects/CGHeroInstance.h
@@ -224,8 +224,10 @@ public:
 	int movementPointsAfterEmbark(int MPsBefore, int basicCost, bool disembark = false, const TurnInfo * ti = nullptr) const;
 
 	double getFightingStrength() const; // takes attack / defense skill into account
-	double getMagicStrength() const; // takes knowledge / spell power skill into account
+	double getMagicStrength() const; // takes knowledge / spell power skill but also current mana, whether the hero owns a spell-book and whether that books contains anything into account
+	double getMagicStrengthForCampaign() const; // takes knowledge / spell power skill into account
 	double getHeroStrength() const; // includes fighting and magic strength
+	double getHeroStrengthForCampaign() const; // includes fighting and the for-campaign-version of magic strength
 	ui64 getTotalStrength() const; // includes fighting strength and army strength
 	TExpType calculateXp(TExpType exp) const; //apply learning skill