diff --git a/api/src/main/java/com/lunarclient/apollo/module/serverrule/ServerRuleModule.java b/api/src/main/java/com/lunarclient/apollo/module/serverrule/ServerRuleModule.java
index 79a6a2de9..b7931ea71 100644
--- a/api/src/main/java/com/lunarclient/apollo/module/serverrule/ServerRuleModule.java
+++ b/api/src/main/java/com/lunarclient/apollo/module/serverrule/ServerRuleModule.java
@@ -165,6 +165,16 @@ public final class ServerRuleModule extends ApolloModule {
         .node("max-chat-length").type(TypeToken.get(Integer.class))
         .defaultValue(256).min(1).max(256).notifyClient().build();
 
+    /**
+     * Whether to enable crystal optimizer.
+     *
+     * @since 1.2.4
+     */
+    public static final SimpleOption<Boolean> CRYSTAL_OPTIMIZER = Option.<Boolean>builder()
+        .comment("Set to 'true' to enable the crystal optimizer, otherwise 'false'.")
+        .node("crystal-optimizer").type(TypeToken.get(Boolean.class))
+        .defaultValue(false).notifyClient().build();
+
     ServerRuleModule() {
         this.registerOptions(
             ServerRuleModule.COMPETITIVE_GAME,
@@ -178,7 +188,8 @@ public final class ServerRuleModule extends ApolloModule {
             ServerRuleModule.OVERRIDE_NAMETAG_RENDER_DISTANCE,
             ServerRuleModule.NAMETAG_RENDER_DISTANCE,
             ServerRuleModule.OVERRIDE_MAX_CHAT_LENGTH,
-            ServerRuleModule.MAX_CHAT_LENGTH
+            ServerRuleModule.MAX_CHAT_LENGTH,
+            ServerRuleModule.CRYSTAL_OPTIMIZER
         );
     }
 
diff --git a/docs/developers/lightweight/json/packet-util.mdx b/docs/developers/lightweight/json/packet-util.mdx
index b7263a486..1a3a12e74 100644
--- a/docs/developers/lightweight/json/packet-util.mdx
+++ b/docs/developers/lightweight/json/packet-util.mdx
@@ -46,6 +46,7 @@ static {
     CONFIG_MODULE_PROPERTIES.put("server_rule", "nametag-render-distance", 64);
     CONFIG_MODULE_PROPERTIES.put("server_rule", "override-max-chat-length", false);
     CONFIG_MODULE_PROPERTIES.put("server_rule", "max-chat-length", 256);
+    CONFIG_MODULE_PROPERTIES.put("server_rule", "crystal-optimizer", false);
     CONFIG_MODULE_PROPERTIES.put("tnt_countdown", "tnt-ticks", 80);
     CONFIG_MODULE_PROPERTIES.put("title", "clear-title-on-server-switch", false);
     CONFIG_MODULE_PROPERTIES.put("waypoint", "server-handles-waypoints", false);
diff --git a/docs/developers/lightweight/protobuf/packet-util.mdx b/docs/developers/lightweight/protobuf/packet-util.mdx
index b74f9b56e..19ad54521 100644
--- a/docs/developers/lightweight/protobuf/packet-util.mdx
+++ b/docs/developers/lightweight/protobuf/packet-util.mdx
@@ -50,6 +50,7 @@ static {
     CONFIG_MODULE_PROPERTIES.put("server_rule", "nametag-render-distance", Value.newBuilder().setNumberValue(64).build());
     CONFIG_MODULE_PROPERTIES.put("server_rule", "override-max-chat-length", Value.newBuilder().setBoolValue(false).build());
     CONFIG_MODULE_PROPERTIES.put("server_rule", "max-chat-length", Value.newBuilder().setNumberValue(256).build());
+    CONFIG_MODULE_PROPERTIES.put("server_rule", "crystal-optimizer", Value.newBuilder().setBoolValue(false).build());
     CONFIG_MODULE_PROPERTIES.put("tnt_countdown", "tnt-ticks", Value.newBuilder().setNumberValue(80).build());
     CONFIG_MODULE_PROPERTIES.put("title", "clear-title-on-server-switch", Value.newBuilder().setBoolValue(false).build());
     CONFIG_MODULE_PROPERTIES.put("waypoint", "server-handles-waypoints", Value.newBuilder().setBoolValue(false).build());
diff --git a/docs/developers/modules/serverrule.mdx b/docs/developers/modules/serverrule.mdx
index fb4e8fd01..16133b808 100644
--- a/docs/developers/modules/serverrule.mdx
+++ b/docs/developers/modules/serverrule.mdx
@@ -219,3 +219,9 @@ public void setNametagRenderDistanceExample(int value) {
         - Default: `256`
         - Minimum: `1`
         - Maximum: `256`
+
+- __`CRYSTAL_OPTIMIZER`__
+    - Whether to enable crystal optimizer.
+    - Values
+        - Type: `Boolean`
+        - Default: `false`
diff --git a/example/bukkit/json/src/main/java/com/lunarclient/apollo/example/json/util/JsonPacketUtil.java b/example/bukkit/json/src/main/java/com/lunarclient/apollo/example/json/util/JsonPacketUtil.java
index 57b945613..7b862ef50 100644
--- a/example/bukkit/json/src/main/java/com/lunarclient/apollo/example/json/util/JsonPacketUtil.java
+++ b/example/bukkit/json/src/main/java/com/lunarclient/apollo/example/json/util/JsonPacketUtil.java
@@ -64,6 +64,7 @@ public final class JsonPacketUtil {
         CONFIG_MODULE_PROPERTIES.put("server_rule", "nametag-render-distance", 64);
         CONFIG_MODULE_PROPERTIES.put("server_rule", "override-max-chat-length", false);
         CONFIG_MODULE_PROPERTIES.put("server_rule", "max-chat-length", 256);
+        CONFIG_MODULE_PROPERTIES.put("server_rule", "crystal-optimizer", false);
         CONFIG_MODULE_PROPERTIES.put("tnt_countdown", "tnt-ticks", 80);
         CONFIG_MODULE_PROPERTIES.put("title", "clear-title-on-server-switch", false);
         CONFIG_MODULE_PROPERTIES.put("waypoint", "server-handles-waypoints", false);
diff --git a/example/bukkit/proto/src/main/java/com/lunarclient/apollo/example/proto/util/ProtobufPacketUtil.java b/example/bukkit/proto/src/main/java/com/lunarclient/apollo/example/proto/util/ProtobufPacketUtil.java
index 423d6214c..a9be9f648 100644
--- a/example/bukkit/proto/src/main/java/com/lunarclient/apollo/example/proto/util/ProtobufPacketUtil.java
+++ b/example/bukkit/proto/src/main/java/com/lunarclient/apollo/example/proto/util/ProtobufPacketUtil.java
@@ -71,6 +71,7 @@ public final class ProtobufPacketUtil {
         CONFIG_MODULE_PROPERTIES.put("server_rule", "nametag-render-distance", Value.newBuilder().setNumberValue(64).build());
         CONFIG_MODULE_PROPERTIES.put("server_rule", "override-max-chat-length", Value.newBuilder().setBoolValue(false).build());
         CONFIG_MODULE_PROPERTIES.put("server_rule", "max-chat-length", Value.newBuilder().setNumberValue(256).build());
+        CONFIG_MODULE_PROPERTIES.put("server_rule", "crystal-optimizer", Value.newBuilder().setBoolValue(false).build());
         CONFIG_MODULE_PROPERTIES.put("tnt_countdown", "tnt-ticks", Value.newBuilder().setNumberValue(80).build());
         CONFIG_MODULE_PROPERTIES.put("title", "clear-title-on-server-switch", Value.newBuilder().setBoolValue(false).build());
         CONFIG_MODULE_PROPERTIES.put("waypoint", "server-handles-waypoints", Value.newBuilder().setBoolValue(false).build());