if(e.getEntity().getPlayer().getLastDamageCause().getCause() == EntityDamageEvent.DamageCause.VOID){
            if(e.getEntity().getLastDamageCause() instanceof Player) {
                Bukkit.broadcastMessage(Main.Prefix + "§6" + p.getName() + " §7was killed by§6 " + killer.getName() + " §7.");
            } else {
                Bukkit.broadcastMessage(Main.Prefix + "§6" + p.getName() + " §7was killed by§6 void §7.");
            }
        }
}