diff --git a/data/libs/systems/hazard.lua b/data/libs/systems/hazard.lua
index a1501b2d1fd..387aef874c2 100644
--- a/data/libs/systems/hazard.lua
+++ b/data/libs/systems/hazard.lua
@@ -193,16 +193,16 @@ function HazardMonster.onSpawn(monster, position)
 	if not zones then
 		return true
 	end
+
+	logger.debug("Monster {} spawned in hazard zone, position {}", monster:getName(), position:toString())
 	for _, zone in ipairs(zones) do
 		local hazard = Hazard.getByName(zone:getName())
 		if hazard then
 			monster:hazard(true)
-			if hazard then
-				monster:hazardCrit(hazard.crit)
-				monster:hazardDodge(hazard.dodge)
-				monster:hazardDamageBoost(hazard.damageBoost)
-				monster:hazardDefenseBoost(hazard.defenseBoost)
-			end
+			monster:hazardCrit(hazard.crit)
+			monster:hazardDodge(hazard.dodge)
+			monster:hazardDamageBoost(hazard.damageBoost)
+			monster:hazardDefenseBoost(hazard.defenseBoost)
 		end
 	end
 	return true
diff --git a/data/scripts/lib/register_monster_type.lua b/data/scripts/lib/register_monster_type.lua
index ed5de6421d9..81960f4f84d 100644
--- a/data/scripts/lib/register_monster_type.lua
+++ b/data/scripts/lib/register_monster_type.lua
@@ -17,6 +17,10 @@ end
 registerMonsterType.name = function(mtype, mask)
 	if mask.name then
 		mtype:name(mask.name)
+		-- Try register hazard monsters
+		mtype.onSpawn = function(monster, spawnPosition)
+			HazardMonster.onSpawn(monster, spawnPosition)
+		end
 	end
 end
 registerMonsterType.description = function(mtype, mask)
@@ -194,7 +198,7 @@ registerMonsterType.flags = function(mtype, mask)
 		end
 		if mask.flags.rewardBoss then
 			mtype:isRewardBoss(mask.flags.rewardBoss)
-			mtype.onSpawn = function(monster)
+			mtype.onSpawn = function(monster, spawnPosition)
 				monster:setRewardBoss()
 			end
 		end
diff --git a/src/creatures/monsters/monster.cpp b/src/creatures/monsters/monster.cpp
index 690ebd10b39..fed817af239 100644
--- a/src/creatures/monsters/monster.cpp
+++ b/src/creatures/monsters/monster.cpp
@@ -501,9 +501,9 @@ void Monster::onAttackedByPlayer(const std::shared_ptr<Player> &attackerPlayer)
 	}
 }
 
-void Monster::onSpawn() {
+void Monster::onSpawn(const Position &position) {
 	if (mType->info.spawnEvent != -1) {
-		// onSpawn(self)
+		// onSpawn(self, spawnPosition)
 		LuaScriptInterface* scriptInterface = mType->info.scriptInterface;
 		if (!scriptInterface->reserveScriptEnv()) {
 			g_logger().error("Monster {} creature {}] Call stack overflow. Too many lua "
@@ -520,8 +520,9 @@ void Monster::onSpawn() {
 
 		LuaScriptInterface::pushUserdata<Monster>(L, getMonster());
 		LuaScriptInterface::setMetatable(L, -1, "Monster");
+		LuaScriptInterface::pushPosition(L, position);
 
-		scriptInterface->callVoidFunction(1);
+		scriptInterface->callVoidFunction(2);
 	}
 }
 
diff --git a/src/creatures/monsters/monster.hpp b/src/creatures/monsters/monster.hpp
index 145b973fdc9..6e44d8f36bf 100644
--- a/src/creatures/monsters/monster.hpp
+++ b/src/creatures/monsters/monster.hpp
@@ -91,7 +91,7 @@ class Monster final : public Creature {
 	void onCreatureMove(const std::shared_ptr<Creature> &creature, const std::shared_ptr<Tile> &newTile, const Position &newPos, const std::shared_ptr<Tile> &oldTile, const Position &oldPos, bool teleport) override;
 	void onCreatureSay(const std::shared_ptr<Creature> &creature, SpeakClasses type, const std::string &text) override;
 	void onAttackedByPlayer(const std::shared_ptr<Player> &attackerPlayer);
-	void onSpawn();
+	void onSpawn(const Position &position);
 
 	void drainHealth(const std::shared_ptr<Creature> &attacker, int32_t damage) override;
 	void changeHealth(int32_t healthChange, bool sendHealthChange = true) override;
diff --git a/src/creatures/monsters/spawns/spawn_monster.cpp b/src/creatures/monsters/spawns/spawn_monster.cpp
index 3a915d737b2..b80266f56ca 100644
--- a/src/creatures/monsters/spawns/spawn_monster.cpp
+++ b/src/creatures/monsters/spawns/spawn_monster.cpp
@@ -232,7 +232,7 @@ bool SpawnMonster::spawnMonster(uint32_t spawnMonsterId, spawnBlock_t &sb, const
 
 	spawnedMonsterMap[spawnMonsterId] = monster;
 	sb.lastSpawn = OTSYS_TIME();
-	monster->onSpawn();
+	monster->onSpawn(sb.pos);
 	return true;
 }
 
diff --git a/src/lua/functions/core/game/game_functions.cpp b/src/lua/functions/core/game/game_functions.cpp
index aad4b71d06c..eec876eee7c 100644
--- a/src/lua/functions/core/game/game_functions.cpp
+++ b/src/lua/functions/core/game/game_functions.cpp
@@ -524,7 +524,7 @@ int GameFunctions::luaGameCreateMonster(lua_State* L) {
 	const bool extended = Lua::getBoolean(L, 3, false);
 	const bool force = Lua::getBoolean(L, 4, false);
 	if (g_game().placeCreature(monster, position, extended, force)) {
-		monster->onSpawn();
+		monster->onSpawn(position);
 		const auto &mtype = monster->getMonsterType();
 		if (mtype && mtype->info.raceid > 0 && mtype->info.bosstiaryRace == BosstiaryRarity_t::RARITY_ARCHFOE) {
 			for (const auto &spectator : Spectators().find<Player>(monster->getPosition(), true)) {