diff --git a/L2J_Mobius_Essence_5.5_FrostLord/.project b/L2J_Mobius_Essence_5.5_FrostLord/.project
index b0110f3eaa..f699a5eed3 100644
--- a/L2J_Mobius_Essence_5.5_FrostLord/.project
+++ b/L2J_Mobius_Essence_5.5_FrostLord/.project
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <projectDescription>
-	<name>L2J_Mobius_Essence_5.0_Sylph</name>
+	<name>L2J_Mobius_Essence_5.5_FrostLord</name>
 	<comment></comment>
 	<projects>
 	</projects>
diff --git a/L2J_Mobius_Essence_5.5_FrostLord/build.xml b/L2J_Mobius_Essence_5.5_FrostLord/build.xml
index ecae1900e9..8cde951a08 100644
--- a/L2J_Mobius_Essence_5.5_FrostLord/build.xml
+++ b/L2J_Mobius_Essence_5.5_FrostLord/build.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE xml>
-<project name="L2J_Mobius_Essence_5.0_Sylph" default="cleanup" basedir=".">
+<project name="L2J_Mobius_Essence_5.5_FrostLord" default="cleanup" basedir=".">
 	<description>
 		This file is part of the L2J Mobius project.
 		
@@ -134,15 +134,15 @@
 	</target>
 
 	<target name="adding-core" depends="jar" description="Adding the compiled jars to the Zip file.">
-		<zip destfile="${build}/L2J_Mobius_Essence_5.0_Sylph.zip" basedir="${build.dist}" level="9" />
+		<zip destfile="${build}/L2J_Mobius_Essence_5.5_FrostLord.zip" basedir="${build.dist}" level="9" />
 	</target>
 
 	<target name="adding-datapack" depends="adding-core" description="Updating the Zip file with datapack content.">
-		<zip destfile="${build}/L2J_Mobius_Essence_5.0_Sylph.zip" basedir="${datapack}" excludes="**/*-sources.jar" update="true" level="9" />
+		<zip destfile="${build}/L2J_Mobius_Essence_5.5_FrostLord.zip" basedir="${datapack}" excludes="**/*-sources.jar" update="true" level="9" />
 	</target>
 
 	<target name="adding-readme" depends="adding-datapack" description="Adding readme.txt to the Zip file.">
-		<zip destfile="${build}/L2J_Mobius_Essence_5.0_Sylph.zip" basedir="." includes="readme.txt" update="true" level="9" />
+		<zip destfile="${build}/L2J_Mobius_Essence_5.5_FrostLord.zip" basedir="." includes="readme.txt" update="true" level="9" />
 	</target>
 
 	<target name="cleanup" depends="adding-readme" description="Cleaning the build folder.">
diff --git a/L2J_Mobius_Essence_5.5_FrostLord/dist/game/config/Server.ini b/L2J_Mobius_Essence_5.5_FrostLord/dist/game/config/Server.ini
index 4c0973b3b9..e68593a6a9 100644
--- a/L2J_Mobius_Essence_5.5_FrostLord/dist/game/config/Server.ini
+++ b/L2J_Mobius_Essence_5.5_FrostLord/dist/game/config/Server.ini
@@ -101,8 +101,8 @@ MaximumOnlineUsers = 2000
 # Numbers of protocol revisions that server allows to connect.
 # Delimiter is ;
 # WARNING: <u><b><font color="red">Changing the protocol revision may result in incompatible communication and many errors in game!</font></b></u>
-# Sylph: 306
-AllowedProtocolRevisions = 306
+# Frost Lord: 311
+AllowedProtocolRevisions = 311
 
 # Displays server type next to the server name on character selection.
 # Notes:
diff --git a/L2J_Mobius_Essence_5.5_FrostLord/launcher/Gameserver.launch b/L2J_Mobius_Essence_5.5_FrostLord/launcher/Gameserver.launch
index fac00ca760..aabc2fb012 100644
--- a/L2J_Mobius_Essence_5.5_FrostLord/launcher/Gameserver.launch
+++ b/L2J_Mobius_Essence_5.5_FrostLord/launcher/Gameserver.launch
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <launchConfiguration type="org.eclipse.jdt.launching.localJavaApplication">
     <listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_PATHS">
-        <listEntry value="/L2J_Mobius_Essence_5.0_Sylph/java/org/l2jmobius/gameserver/GameServer.java"/>
+        <listEntry value="/L2J_Mobius_Essence_5.5_FrostLord/java/org/l2jmobius/gameserver/GameServer.java"/>
     </listAttribute>
     <listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_TYPES">
         <listEntry value="1"/>
@@ -12,7 +12,7 @@
     <booleanAttribute key="org.eclipse.jdt.launching.ATTR_USE_CLASSPATH_ONLY_JAR" value="false"/>
     <booleanAttribute key="org.eclipse.jdt.launching.ATTR_USE_START_ON_FIRST_THREAD" value="true"/>
     <stringAttribute key="org.eclipse.jdt.launching.MAIN_TYPE" value="org.l2jmobius.gameserver.GameServer"/>
-    <stringAttribute key="org.eclipse.jdt.launching.MODULE_NAME" value="L2J_Mobius_Essence_5.0_Sylph"/>
-    <stringAttribute key="org.eclipse.jdt.launching.PROJECT_ATTR" value="L2J_Mobius_Essence_5.0_Sylph"/>
-    <stringAttribute key="org.eclipse.jdt.launching.WORKING_DIRECTORY" value="${workspace_loc:L2J_Mobius_Essence_5.0_Sylph}/dist/game/"/>
+    <stringAttribute key="org.eclipse.jdt.launching.MODULE_NAME" value="L2J_Mobius_Essence_5.5_FrostLord"/>
+    <stringAttribute key="org.eclipse.jdt.launching.PROJECT_ATTR" value="L2J_Mobius_Essence_5.5_FrostLord"/>
+    <stringAttribute key="org.eclipse.jdt.launching.WORKING_DIRECTORY" value="${workspace_loc:L2J_Mobius_Essence_5.5_FrostLord}/dist/game/"/>
 </launchConfiguration>
diff --git a/L2J_Mobius_Essence_5.5_FrostLord/launcher/Loginserver.launch b/L2J_Mobius_Essence_5.5_FrostLord/launcher/Loginserver.launch
index 18e7343521..a46143ef2e 100644
--- a/L2J_Mobius_Essence_5.5_FrostLord/launcher/Loginserver.launch
+++ b/L2J_Mobius_Essence_5.5_FrostLord/launcher/Loginserver.launch
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <launchConfiguration type="org.eclipse.jdt.launching.localJavaApplication">
     <listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_PATHS">
-        <listEntry value="/L2J_Mobius_Essence_5.0_Sylph/java/org/l2jmobius/loginserver/LoginServer.java"/>
+        <listEntry value="/L2J_Mobius_Essence_5.5_FrostLord/java/org/l2jmobius/loginserver/LoginServer.java"/>
     </listAttribute>
     <listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_TYPES">
         <listEntry value="1"/>
@@ -13,7 +13,7 @@
     <booleanAttribute key="org.eclipse.jdt.launching.ATTR_USE_CLASSPATH_ONLY_JAR" value="false"/>
     <booleanAttribute key="org.eclipse.jdt.launching.ATTR_USE_START_ON_FIRST_THREAD" value="true"/>
     <stringAttribute key="org.eclipse.jdt.launching.MAIN_TYPE" value="org.l2jmobius.loginserver.LoginServer"/>
-    <stringAttribute key="org.eclipse.jdt.launching.MODULE_NAME" value="L2J_Mobius_Essence_5.0_Sylph"/>
-    <stringAttribute key="org.eclipse.jdt.launching.PROJECT_ATTR" value="L2J_Mobius_Essence_5.0_Sylph"/>
-    <stringAttribute key="org.eclipse.jdt.launching.WORKING_DIRECTORY" value="${workspace_loc:L2J_Mobius_Essence_5.0_Sylph}/dist/login/"/>
+    <stringAttribute key="org.eclipse.jdt.launching.MODULE_NAME" value="L2J_Mobius_Essence_5.5_FrostLord"/>
+    <stringAttribute key="org.eclipse.jdt.launching.PROJECT_ATTR" value="L2J_Mobius_Essence_5.5_FrostLord"/>
+    <stringAttribute key="org.eclipse.jdt.launching.WORKING_DIRECTORY" value="${workspace_loc:L2J_Mobius_Essence_5.5_FrostLord}/dist/login/"/>
 </launchConfiguration>
diff --git a/L2J_Mobius_Essence_5.5_FrostLord/readme.txt b/L2J_Mobius_Essence_5.5_FrostLord/readme.txt
index 2b456d27c1..c5d2728c34 100644
--- a/L2J_Mobius_Essence_5.5_FrostLord/readme.txt
+++ b/L2J_Mobius_Essence_5.5_FrostLord/readme.txt
@@ -1,10 +1,10 @@
-L2J-Mobius Sylph
-Client: https://drive.google.com/u/0/uc?id=1GnsteyccQgKftHmpgtpuw4UEfVuqt4F0&export=download
-System: https://mega.nz/file/NwUT2a5b#eksp5_8M6PuocLqbSz57lWeKKgw3RZp_lLiRFh55l1M
+L2J-Mobius Frost Lord
+Client: https://drive.google.com/u/0/uc?id=1ORs7sUzT6wEMtR8_odkzx1Ho5sCDgzK5&export=download
+System: https://mega.nz/file/J41ERJyS#dLFqNxYsVr3ifWpMgRGBw7D2t40tA9fJGE2hes2vgUA
 
 JDK: http://www.mediafire.com/file/cgh3zupv80qdwv4/bellsoft-jdk15.0.2%252B10-windows-amd64.msi
 Eclipse: http://www.mediafire.com/file/h0gmazpv9hm6gjp/eclipse-java-2020-12-R-win32-x86_64.zip
-Geodata: http://www.mediafire.com/file/ab18ceb6ub9njir/L2J_Mobius_Essence_5.0_Sylph_Geodata.zip
+Geodata: https://www.mediafire.com/file/npdya1ozjl5td9m/L2J_Mobius_Essence_5.5_FrostLord_Geodata.zip
 
 
 Saviors: https://eu.4game.com/lineage2classic/play/saviors/
@@ -129,6 +129,9 @@ Sylph: https://eu.4game.com/patchnotes/lineage2essence/281/
 -Purge system
 -Pledge donation system
 
+Frost Lord: https://eu.4game.com/patchnotes/lineage2essence/329/
+-Client support
+
 Customs:
 -Newbie Helper NPC location info
 -Newbie Helper buff support until 40 level