diff --git a/src/main/java/net/minecraft/command/server/CommandBroadcast.java b/src/main/java/net/minecraft/command/server/CommandBroadcast.java
index ef4b69c..4ec7eed 100644
--- a/src/main/java/net/minecraft/command/server/CommandBroadcast.java
+++ b/src/main/java/net/minecraft/command/server/CommandBroadcast.java
@@ -1,11 +1,13 @@
 package net.minecraft.command.server;
 
 import java.util.List;
+
 import net.minecraft.command.CommandBase;
 import net.minecraft.command.ICommandSender;
 import net.minecraft.command.WrongUsageException;
 import net.minecraft.server.MinecraftServer;
 import net.minecraft.util.ChatComponentTranslation;
+import net.minecraft.util.EnumChatFormatting;
 import net.minecraft.util.IChatComponent;
 
 public class CommandBroadcast extends CommandBase
@@ -32,7 +34,9 @@
 		if (p_71515_2_.length > 0 && p_71515_2_[0].length() > 0)
 		{
 			IChatComponent ichatcomponent = func_147176_a(p_71515_1_, p_71515_2_, 0, true);
-			MinecraftServer.getServer().getConfigurationManager().sendChatMsg(new ChatComponentTranslation("chat.type.announcement", new Object[] {p_71515_1_.getCommandSenderName(), ichatcomponent}));
+			ChatComponentTranslation text = new ChatComponentTranslation("chat.type.announcement", new Object[] {"Сервер", ichatcomponent});
+			text.getChatStyle().setColor(EnumChatFormatting.DARK_PURPLE);
+			MinecraftServer.getServer().getConfigurationManager().sendChatMsg(text);
 		}
 		else
 		{
diff --git a/src/main/java/org/ultramine/commands/basic/BasicCommands.java b/src/main/java/org/ultramine/commands/basic/BasicCommands.java
index 441ce06..0856b43 100644
--- a/src/main/java/org/ultramine/commands/basic/BasicCommands.java
+++ b/src/main/java/org/ultramine/commands/basic/BasicCommands.java
@@ -5,6 +5,7 @@
 
 import static net.minecraft.util.EnumChatFormatting.*;
 import net.minecraft.entity.player.EntityPlayerMP;
+import net.minecraft.event.ClickEvent;
 import net.minecraft.item.ItemStack;
 import net.minecraft.util.ChatComponentTranslation;
 import net.minecraft.util.ChatStyle;
@@ -54,8 +55,10 @@
 				group = cmd.getGroup();
 				ctx.sendMessage("%s:", group);
 			}
-			ChatComponentTranslation usage = new ChatComponentTranslation(cmd.getCommandUsage(ctx.getSender()));
+			String usageS = cmd.getCommandUsage(ctx.getSender());
+			ChatComponentTranslation usage = new ChatComponentTranslation(usageS != null ? usageS : '/' + cmd.getCommandName());
 			ChatComponentTranslation desc = new ChatComponentTranslation(cmd.getDescription());
+			usage.getChatStyle().setChatClickEvent(new ClickEvent(ClickEvent.Action.SUGGEST_COMMAND, "/" + cmd.getCommandName() + " "));
 			usage.getChatStyle().setColor(YELLOW);
 			desc.getChatStyle().setColor(DARK_AQUA);
 			ctx.sendMessage(DARK_GRAY, YELLOW, "  - %s <- %s", usage, desc);
diff --git a/src/main/java/org/ultramine/commands/basic/TechCommands.java b/src/main/java/org/ultramine/commands/basic/TechCommands.java
index 3b27655..c4ed478 100644
--- a/src/main/java/org/ultramine/commands/basic/TechCommands.java
+++ b/src/main/java/org/ultramine/commands/basic/TechCommands.java
@@ -14,15 +14,22 @@
 import net.minecraft.world.chunk.Chunk;
 import net.minecraftforge.common.DimensionManager;
 
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
 import org.ultramine.commands.Command;
 import org.ultramine.commands.CommandContext;
 import org.ultramine.server.MultiWorld;
 import org.ultramine.server.Teleporter;
 
+import cpw.mods.fml.common.FMLCommonHandler;
+import cpw.mods.fml.common.eventhandler.SubscribeEvent;
 import cpw.mods.fml.common.functions.GenericIterableFactory;
+import cpw.mods.fml.common.gameevent.TickEvent;
 
 public class TechCommands
 {
+	private static final Logger log = LogManager.getLogger();
+	
 	@Command(
 			name = "id",
 			group = "technical",
@@ -229,7 +236,7 @@
 	@Command(
 			name = "clearentity",
 			group = "technical",
-			permissions = {"command.countentity"},
+			permissions = {"command.clearentity"},
 			syntax = {
 					"<int%radius>",
 					"[all mobs items] <int%radius>"
@@ -279,4 +286,58 @@
 		
 		ctx.sendMessage("command.clearentity.success", count, mobcount, itemcount);
 	}
+	
+	private static LagGenerator laghandler;
+	
+	@Command(
+			name = "startlags",
+			group = "technical",
+			permissions = {"command.startlags"},
+			syntax = {
+					"<int%percent>",
+					"[stop]"
+			}
+	)
+	public static void startlags(CommandContext ctx)
+	{
+		if(laghandler != null)
+		{
+			FMLCommonHandler.instance().bus().unregister(laghandler);
+			laghandler = null;
+		}
+		
+		if(ctx.getAction().equals("stop"))
+		{
+			ctx.sendMessage("command.startlags.stop");
+			return;
+		}
+		
+		int percent = ctx.get("percent").asInt(1);
+		FMLCommonHandler.instance().bus().register(laghandler = new LagGenerator(percent));
+		ctx.sendMessage("command.startlags.start", percent);
+		
+	}
+	
+	public static class LagGenerator
+	{
+		private final int percent;
+		private int counter;
+		
+		public LagGenerator(int percent){this.percent = percent;}
+		
+		@SubscribeEvent
+		public void inTick(TickEvent.ServerTickEvent e)
+		{
+			if(e.phase == TickEvent.Phase.START)
+			{
+				if(++counter%600 == 0)
+					log.warn("Startlags command enabled! It loads server by {}%", percent);
+				
+				try
+				{
+					Thread.sleep(percent/2); //100% = 50ms (1 tick)
+				} catch(InterruptedException ignored){}
+			}
+		}
+	}
 }
diff --git a/src/main/resources/assets/ultramine/lang/en_US.lang b/src/main/resources/assets/ultramine/lang/en_US.lang
index 8086dec..276e90b 100644
--- a/src/main/resources/assets/ultramine/lang/en_US.lang
+++ b/src/main/resources/assets/ultramine/lang/en_US.lang
@@ -174,3 +174,8 @@
 command.clearentity.usage=/clearentity [all|mobs|items] <radius>
 command.clearentity.description=All multiworld commands
 command.clearentity.success=Cleared %s Entity. Mobs: %s, Items: %s
+
+command.startlags.usage=/startlags percents OR /startlags stop
+command.startlags.description=Simulruet server overload on a specified percentage
+command.startlags.start=Start lagging on %s%%
+command.startlags.stop=Stop lagging