I'm the biggest idiot. The biggest one.

    @Override
    public ItemStack onItemRightClick(ItemStack stack, World worldIn, EntityPlayer p)
    {
        NBTTagCompound nbt;
        if(stack.hasTagCompound())
        {
            nbt = stack.getTagCompound();
        }
        else
        {
            nbt = new NBTTagCompound();
        }

        if(nbt.hasKey("Amount"))
        {
            int invSize = p.inventory.getSizeInventory();
            for(int i=0; i<invSize; i++)
            {
                int nbtAmount = nbt.getInteger("ConsumedAmount");

                if(p.inventory.getStackInSlot(i).getItem() == Items.IRON_INGOT)
                {
                    ItemStack IronIngotFound = p.inventory.getStackInSlot(i);

                    IronIngotFound.setCount(IronIngotFound.getCount()-1);

                    nbt.setInteger("ConsumedAmount", nbtAmount+1);
                }
            }
        }
        else
        {
            nbt.setInteger("Amount", 0);
        }
        stack.setTagCompound(nbt);

        return stack;
    }

    @Override
    public void addInformation(ItemStack stack, EntityPlayer p, List lore, boolean unused_bool)
    {
        lore.add("\u00A77Hold right click to consume \u00A7fIron Ingots\u00A77, and gain buffs.");
        lore.add("");
        if(stack.hasTagCompound() && stack.getTagCompound().hasKey("Amount"))
        {
            String nbtAmountStr = Integer.toString( stack.getTagCompound().getInteger("ConsumedAmount") );
            lore.add("\u00A7eAmount consumed: \u00A76" + nbtAmountStr);
        }
        else
        {
            lore.add("\u00A7eAmount consumed: \u00A7c0");
        }
    }