Effect

package com.topoedits;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.bukkit.ChatColor;
import org.bukkit.Material;
import org.bukkit.block.Block;
import org.bukkit.event.EventHandler;
import org.bukkit.event.EventPriority;
import org.bukkit.event.Listener;
import org.bukkit.event.block.Action;
import org.bukkit.event.player.PlayerInteractEvent;
import org.bukkit.event.player.PlayerQuitEvent;
import org.bukkit.plugin.java.JavaPlugin;
import static sun.audio.AudioPlayer.player;

public class Bombardero extends JavaPlugin implements Listener {

    public void onEnable() {
        getServer().getPluginManager().registerEvents(this, this);
    }

    public void onDisable() {
    }
        //1
        private Map<String, Long> playerDelays = new HashMap<String, Long>();
    private int castDelay = 120; // 120 Es El Tiempo De Delay

    @EventHandler(priority = EventPriority.LOW)
    public void onClick(PlayerInteractEvent event) {
        if (event.getAction() == Action.RIGHT_CLICK_AIR || event.getAction() == Action.RIGHT_CLICK_BLOCK) {
            if (event.getItem() != null) {
                if (event.getItem().getType() == Material.GOLD_AXE) {
                    boolean castLightning = true;
                    if (this.playerDelays.containsKey(event.getPlayer().getName())) {
                        long timeRemaining = System.currentTimeMillis() - this.playerDelays.get(event.getPlayer().getName());
                        if (timeRemaining >= 1000 * this.castDelay) {
                            this.playerDelays.remove(event.getPlayer().getName());
                        } else {
                            // You can optionally send them a message. Though, you must make sure to set castLightning to false.
                            int secondsRemaining = (int) (timeRemaining / 1000);
                            event.getPlayer().sendMessage("§c§lPara Usar Esta Hablidad Tienes Que Esperar " + secondsRemaining + "" + (secondsRemaining != 1 ? "s" : "") + " §b§lPara Usar La BOMBA!");
                            castLightning = false;
                        }
                    }
                    if (castLightning) {
                        Block targetBlock = event.getPlayer().getTargetBlock(null, 100);
                        if (targetBlock != null) {
                            event.getPlayer().getWorld().strikeLightning(targetBlock.getLocation());
                            this.playerDelays.put(event.getPlayer().getName(), System.currentTimeMillis());
                        }
                    }
                }
            }
        }
    }

    @EventHandler
    public void onLeave(PlayerQuitEvent event) {
        if (this.playerDelays.containsKey(event.getPlayer().getName()))
            this.playerDelays.remove(event.getPlayer().getName());
    }
}
//42 / 43 TEST
/*event.getPlayer().sendMessage(ChatColor.RED + "Para Usar Esta Hablidad Tienes Que Esperar " + secondsRemaining + "" + (secondsRemaining != 1 ? "s" : "") + " Para Usar La BOMBA!");
                            castLightning = false;*/