@Mod.EventHandler
  public void init(FMLInitializationEvent event) {
    MinecraftForge.EVENT_BUS.register(instance);
    MinecraftForge.EVENT_BUS.register(proxy);
    NetworkRegistry.instance().registerGuiHandler(instance, new ExplorationGuiHandler());

    proxy.init();
  }
 @Mod.EventHandler
 public void init(FMLInitializationEvent event) {
   MinecraftForge.EVENT_BUS.register(instance);
   proxy.init();
 }