My code

    @EventHandler
    public void PolaratiteAbility2(PlayerInteractEvent e) {


        if (e.hasItem()) {
            Player p = e.getPlayer();
            if (Objects.requireNonNull(Objects.requireNonNull(e.getItem()).getItemMeta()).getDisplayName().equals(ChatColor.RED + "+- Polaratite -+")) {
                ItemStack dummyitem = new ItemStack(Material.AMETHYST_SHARD);
                ItemMeta dummyitemMeta = dummyitem.getItemMeta();
                assert dummyitemMeta != null;
                dummyitemMeta.setCustomModelData(1);


                ArmorStand projectile = p.getWorld().spawn(p.getLocation(), ArmorStand.class);
                projectile.setSmall(true);
                projectile.setVisible(false);
                projectile.setHelmet(dummyitem);
                projectile.setGravity(false);
                projectile.setRemoveWhenFarAway(true);
                projectile.setMarker(true);
                projectile.setRotation(p.getLocation().getYaw(), p.getLocation().getPitch());

                Location loc = projectile.getLocation();
                Vector dir = loc.getDirection();
                dir = dir.mulitply(1);
                dir = dir.normalize();
                Location newLocation = loc.add(dir);
                projectile.teleport( newLocation );
            }
        }
    }