@EventHandler
 public void onDamage(EntityDamageByEntityEvent event) {
   if (!(event.getEntity() instanceof Player && event.getDamager() instanceof Player))
     return; // We only want to check this if players hit each other
   final Player attacker = (Player) event.getDamager();
   if (attacker.getInventory().getHeldItemSlot() != 8) return;
   final Player victim = (Player) event.getEntity();
   if (AbilityManager.getInstance().getCurrentSpell(attacker) instanceof AbilityHealing) {
     event.setCancelled(true);
     victim.setHealth(victim.getMaxHealth());
     ParticleEffect.HEART.display(
         Vector.getRandom(), 1, victim.getEyeLocation().add(0, 0, .25), Bukkit.getOnlinePlayers());
   }
   if (!(AbilityManager.getInstance().getCurrentSpell(attacker) instanceof AbilityHeartripping))
     return; // Make sure the person punching has heartripping active
   if (!AbilityManager.getInstance().getCurrentSpell(attacker).canUse(attacker)) return;
   if (victim.hasPermission("heart.block")) {
     ChatManager.messageBad(attacker, "That player is too powerful!");
     ChatManager.messageGood(
         victim, attacker.getName() + " attempted to rip out your heart but was too weak!");
     return;
   }
   if (!spellSelection.containsKey(attacker) || !spellSelection.get(attacker).equals(victim)) {
     ChatManager.messageGood(
         attacker, "You ripped " + victim.getName() + "'s heart out of their body!");
     ChatManager.messageBad(
         victim, attacker.getName() + " has ripped your heart out of your body!");
     spellSelection.put(attacker, victim);
   }
   attacker.getInventory().setItemInMainHand(getValidBook(attacker));
 }