diff --git a/scripts/reactor/5511000.js b/scripts/reactor/5511000.js
index 748aabe1aa..810e44d48c 100644
--- a/scripts/reactor/5511000.js
+++ b/scripts/reactor/5511000.js
@@ -2,14 +2,9 @@
 * 5511000.js: Summons Targa.
 */
 
-function summonBoss() {
-        rm.spawnMonster(9420542,-527,637);
-        rm.changeMusic("Bgm09/TimeAttack");
-        rm.mapMessage(6, "Beware! The furious Targa has shown himself!");
-}
-
 function act() {
-	if (rm.getReactor().getMap().getMonsterById(9420542) == null) {
-                rm.schedule("summonBoss", 3200);
+    const targaMobId = 9420542;
+	if (rm.getReactor().getMap().getMonsterById(targaMobId) == null) {
+	    rm.summonBossDelayed(targaMobId, 3200, -527, 637, "Bgm09/TimeAttack", "Beware! The furious Targa has shown himself!");
 	}
 }
\ No newline at end of file
diff --git a/scripts/reactor/5511001.js b/scripts/reactor/5511001.js
index 8dc042274d..e4dc2313ac 100644
--- a/scripts/reactor/5511001.js
+++ b/scripts/reactor/5511001.js
@@ -2,14 +2,9 @@
 * 5511001.js: Summons Scarlion.
 */
 
-function summonBoss() {
-        rm.spawnMonster(9420547,-238,636);
-        rm.changeMusic("Bgm09/TimeAttack");
-        rm.mapMessage(6, "Beware! The furious Scarlion has shown himself!");
-}
-
 function act() {
-	if (rm.getReactor().getMap().getMonsterById(9420547) == null) {
-		rm.schedule("summonBoss", 3200);
-	}
+    const scarlionMobId = 9420547;
+	if (rm.getReactor().getMap().getMonsterById(scarlionMobId) == null) {
+        rm.summonBossDelayed(scarlionMobId, 3200, -238, 636, "Bgm09/TimeAttack", "Beware! The furious Scarlion has shown himself!");
+    }
 }
\ No newline at end of file
diff --git a/src/main/java/scripting/reactor/ReactorActionManager.java b/src/main/java/scripting/reactor/ReactorActionManager.java
index 60faa1afea..b5246a69af 100644
--- a/src/main/java/scripting/reactor/ReactorActionManager.java
+++ b/src/main/java/scripting/reactor/ReactorActionManager.java
@@ -29,8 +29,6 @@ import client.inventory.MapleInventoryType;
 import config.YamlConfig;
 import constants.inventory.ItemConstants;
 import scripting.AbstractPlayerInteraction;
-import scripting.event.EventInstanceManager;
-import scripting.event.EventManager;
 import server.MapleItemInformationProvider;
 import server.TimerManager;
 import server.life.MapleLifeFactory;
@@ -44,14 +42,11 @@ import server.partyquest.MapleCarnivalFactory.MCSkill;
 import tools.MaplePacketCreator;
 
 import javax.script.Invocable;
-import javax.script.ScriptException;
 import java.awt.*;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 import java.util.concurrent.ScheduledFuture;
-import java.util.logging.Level;
-import java.util.logging.Logger;
 
 /**
  * @author Lerk
@@ -311,29 +306,21 @@ public class ReactorActionManager extends AbstractPlayerInteraction {
     public void spawnFakeMonster(int id) {
         reactor.getMap().spawnFakeMonsterOnGroundBelow(MapleLifeFactory.getMonster(id), getPosition());
     }
-    
-    public ScheduledFuture<?> schedule(String methodName, long delay) {
-        return schedule(methodName, null, delay);
+
+    /**
+     * Used for Targa and Scarlion
+     */
+    public void summonBossDelayed(final int mobId, final int delayMs, final int x, final int y, final String bgm,
+                                  final String summonMessage) {
+        TimerManager.getInstance().schedule(() -> {
+            summonBoss(mobId, x, y, bgm, summonMessage);
+        }, delayMs);
     }
 
-    public ScheduledFuture<?> schedule(final String methodName, final EventInstanceManager eim, long delay) {
-        return TimerManager.getInstance().schedule(() -> {
-            try {
-                iv.invokeFunction(methodName, eim);
-            } catch (ScriptException | NoSuchMethodException ex) {
-                Logger.getLogger(EventManager.class.getName()).log(Level.SEVERE, null, ex);
-            }
-        }, delay);
-    }
-
-    public ScheduledFuture<?> scheduleAtTimestamp(final String methodName, long timestamp) {
-        return TimerManager.getInstance().scheduleAtTimestamp(() -> {
-            try {
-                iv.invokeFunction(methodName, (Object) null);
-            } catch (ScriptException | NoSuchMethodException ex) {
-                Logger.getLogger(EventManager.class.getName()).log(Level.SEVERE, null, ex);
-            }
-        }, timestamp);
+    private void summonBoss(int mobId, int x, int y, String bgmName, String summonMessage) {
+        spawnMonster(mobId, x, y);
+        changeMusic(bgmName);
+        mapMessage(6, summonMessage);
     }
     
     public void dispelAllMonsters(int num, int team) { //dispels all mobs, cpq
diff --git a/src/main/java/scripting/reactor/ReactorScriptManager.java b/src/main/java/scripting/reactor/ReactorScriptManager.java
index 7a072d50af..e380b64036 100644
--- a/src/main/java/scripting/reactor/ReactorScriptManager.java
+++ b/src/main/java/scripting/reactor/ReactorScriptManager.java
@@ -23,7 +23,6 @@ package scripting.reactor;
 
 import client.MapleClient;
 import scripting.AbstractScriptManager;
-import scripting.SynchronizedInvocable;
 import server.maps.MapleReactor;
 import server.maps.ReactorDropEntry;
 import tools.DatabaseConnection;
@@ -136,7 +135,7 @@ public class ReactorScriptManager extends AbstractScriptManager {
             return null;
         }
 
-        Invocable iv = SynchronizedInvocable.of((Invocable) engine);
+        Invocable iv = (Invocable) engine;
         ReactorActionManager rm = new ReactorActionManager(c, reactor, iv);
         engine.put("rm", rm);