diff --git a/lib/CSkillHandler.cpp b/lib/CSkillHandler.cpp
index 7f7f7fa5a..267b9f388 100644
--- a/lib/CSkillHandler.cpp
+++ b/lib/CSkillHandler.cpp
@@ -54,6 +54,10 @@ BonusList CSkill::getBonus(int level)
 ///CSkillHandler
 CSkillHandler::CSkillHandler()
 {
+    for(int id = 0; id < GameConstants::SKILL_QUANTITY; id++)
+    {
+        //TODO
+    }
 }
 
 std::vector<JsonNode> CSkillHandler::loadLegacyData(size_t dataSize)
@@ -114,3 +118,55 @@ std::vector<bool> CSkillHandler::getDefaultAllowed() const
     std::vector<bool> allowedSkills(objects.size(), true);
     return allowedSkills;
 }
+
+// HMM3 default bonus provided by secondary skill
+const std::shared_ptr<Bonus> CSkillHandler::defaultBonus(SecondarySkill skill, int level) const
+{
+	Bonus::BonusType bonusType = Bonus::SECONDARY_SKILL_PREMY;
+	Bonus::ValueType valueType = Bonus::BASE_NUMBER;
+	int bonusVal = level;
+
+	static const int archery_bonus[] = { 10, 25, 50 };
+	switch (skill)
+	{
+	case SecondarySkill::LEADERSHIP:
+		bonusType = Bonus::MORALE; break;
+	case SecondarySkill::LUCK:
+		bonusType = Bonus::LUCK; break;
+	case SecondarySkill::DIPLOMACY:
+		bonusType = Bonus::SURRENDER_DISCOUNT;
+		bonusVal = 20 * level; break;
+	case SecondarySkill::ARCHERY:
+		bonusVal = archery_bonus[level-1]; break;
+	case SecondarySkill::LOGISTICS:
+		bonusVal = 10 * level; break;
+	case SecondarySkill::NAVIGATION:
+		bonusVal = 50 * level; break;
+	case SecondarySkill::MYSTICISM:
+		bonusVal = level; break;
+	case SecondarySkill::EAGLE_EYE:
+		bonusVal = 30 + 10 * level; break;
+	case SecondarySkill::NECROMANCY:
+		bonusVal = 10 * level; break;
+	case SecondarySkill::LEARNING:
+		bonusVal = 5 * level; break;
+	case SecondarySkill::OFFENCE:
+		bonusVal = 10 * level; break;
+	case SecondarySkill::ARMORER:
+		bonusVal = 5 * level; break;
+	case SecondarySkill::INTELLIGENCE:
+		bonusVal = 25 << (level-1); break;
+	case SecondarySkill::SORCERY:
+		bonusVal = 5 * level; break;
+	case SecondarySkill::RESISTANCE:
+		bonusVal = 5 << (level-1); break;
+	case SecondarySkill::FIRST_AID:
+		bonusVal = 25 + 25 * level; break;
+	case SecondarySkill::ESTATES:
+		bonusVal = 125 << (level-1); break;
+	default:
+		valueType = Bonus::INDEPENDENT_MIN; break;
+	}
+
+	return std::make_shared<Bonus>(Bonus::PERMANENT, bonusType, Bonus::SECONDARY_SKILL, bonusVal, skill, skill, valueType);
+}
diff --git a/lib/CSkillHandler.h b/lib/CSkillHandler.h
index e29c06fba..26227f154 100644
--- a/lib/CSkillHandler.h
+++ b/lib/CSkillHandler.h
@@ -63,4 +63,5 @@ public:
 
 protected:
     CSkill * loadFromJson(const JsonNode & json, const std::string & identifier) override;
+    const std::shared_ptr<Bonus> defaultBonus(SecondarySkill skill, int level) const;
 };
diff --git a/lib/mapObjects/CGHeroInstance.cpp b/lib/mapObjects/CGHeroInstance.cpp
index 2884e6e91..fee3134d4 100644
--- a/lib/mapObjects/CGHeroInstance.cpp
+++ b/lib/mapObjects/CGHeroInstance.cpp
@@ -17,6 +17,7 @@
 #include "../CModHandler.h"
 #include "../CSoundBase.h"
 #include "../spells/CSpellHandler.h"
+#include "../CSkillHandler.h"
 #include "CObjectClassesHandler.h"
 #include "../IGameCallback.h"
 #include "../CGameState.h"
@@ -765,6 +766,11 @@ void CGHeroInstance::recreateSecondarySkillsBonuses()
 
 void CGHeroInstance::updateSkill(SecondarySkill which, int val)
 {
+	BonusList skillBonus = (*VLC->skillh)[which]->getBonus(val);
+	for (auto b : skillBonus)
+		addNewBonus(std::make_shared<Bonus>(*b));
+
+	/*
 	if(which == SecondarySkill::LEADERSHIP || which == SecondarySkill::LUCK)
 	{ //luck-> VLC->generaltexth->arraytxt[73+luckSkill]; VLC->generaltexth->arraytxt[104+moraleSkill]
 		bool luck = which == SecondarySkill::LUCK;
@@ -844,6 +850,7 @@ void CGHeroInstance::updateSkill(SecondarySkill which, int val)
 		bonus->source = Bonus::SECONDARY_SKILL;
 		addNewBonus(bonus);
 	}
+	*/
 
 	CBonusSystemNode::treeHasChanged();
 }