The HP Modular Moments – Defence and Divination Classes MOC is an optional additional floor to the MOC-71587 HP Modular Moments posted by LEGO® Artisan. It has been designed to be compatible as a middle floor to the MOC and uses the official LEGO® sets 76396 and 76397. The MOC consists of 931 pieces, of which 507 are from the 2 official sets and 424 are extra parts that need to be collected/purchased.
This is another option to utilize Harry Potter sets and incorporate them into a modular city.
Note: the downloadable files include the PDF instructions and additional parts list in XML and PDF versions. You may send a private message or comment if you are interested in the advance copy of the extra parts list.