@Override
  protected void doRead() {

    GameScene.flash(0xFFFFFF);

    Sample.INSTANCE.play(Assets.SND_BLAST);
    Invisibility.dispel();

    for (Mob mob : Dungeon.level.mobs.toArray(new Mob[0])) {
      if (Level.fieldOfView[mob.pos]) {
        mob.damage(mob.HT, this);
      }
    }

    curUser.damage(Math.max(curUser.HT / 5, curUser.HP / 2), this);
    Buff.prolong(curUser, Paralysis.class, Random.Int(4, 6));
    Buff.prolong(curUser, Blindness.class, Random.Int(6, 9));
    Dungeon.observe();

    setKnown();

    curUser.spendAndNext(TIME_TO_READ); // no animation here, the flash interrupts it anyway.

    if (!curUser.isAlive()) {
      Dungeon.fail(Utils.format(ResultDescriptions.ITEM, name));
      GLog.n("The Psionic Blast tears your mind apart...");
    }
  }
  @Override
  public void shatter(int cell) {

    if (Dungeon.visible[cell]) {
      setKnown();

      splash(cell);
      Sample.INSTANCE.play(Assets.SND_SHATTER);
    }

    GameScene.add(Blob.seed(cell, 1000, ConfusionGas.class));
  }